Patent US398630A successfully refreshed from Google Patents.
US3428512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for converting a manual bench sealer to an automatic sealer
Assignee: Customized Sealers Corp
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Filing: 1965-12-16
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Granted: 1969-02-18
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Kermit H Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:16
CPC Classifications
B; B65; B65B; B65B57/00; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
MEANS FOR CONVERTING TO AN AUTOMATIC HEAT SEALER A BENCH HEAT SEALER STRUCTURE FOR SEALING FILLED BAGS OR THE LIKE WHEREIN SAID BENCH STRUCTURE HAS MEANS OPERABLE UPON CLOSING A MAIN SWITCH FOR INITIATING AND MAINTAINING FOR A PREDETERMINED INTERVAL OF TIME A CYCLE CONSISTING OF THE SEQUENTIAL STEPS OF PRESSING AN ENERGIZED HEATED WIRE AGAINST THE OPEN END OF A MANUALLY HELD FILLED BAG, RELEASING THE WIRE FROM THE BAG AND DEENERGIZING THE WIRE, SAID FIRST-NAMED MEANS CONSISTING OF A SECOND STRUCTURE HAVING MEANS FOR SECURING THE SAMETO SAID BENCH STRUCTURE WITH THE TOP SURFACES OF BOTH SAID STRUCTURES LYING IN A COMMON PLANE, THE COMBINATION UNIT THUS FORMED BY BOTH SAID STRUCTURES BEING ADAPTED TO BE SUPPORTED WITH SAID BENCH STRUCTURE UPPERMOST ON A HORIZONTAL SURFACE AT AN ANGLE GREATER THAN THE ANGLE OF REPOSE OF A FILLED BAG SITUATED THEREON, SAID SECOND STRUCTURE HAVING LONGITUDINALLY ADJUSTABLE NORMALLY UPWARDLY PROJECTING STOP MEANS THEREON AND BEING ADAPTED TO HAVE THE FILLED BAG LAID THEREON WITH SAID OPEN END OF THE BAG POSITIONED FOR APPLICATION OF SAID ENERGIZED WIRE THERETO AS AFORESAID AND WITH THE OPPOSITE END OF THE BAG ENGAGED BY SAID STOP MEANS WHEREBY THE STOP MEANS PREVENTS THE BAG FROM SLIDING DOWN SAID SECOND STRUCTURE, SAID SECOND STRUCTURE HAVING A NORMALLY OPEN MICRO-SWITCH PROJECTING
Claim 2
Dependent Claim
217 words
MEANS FOR CONVERTING TO AN AUTOMATIC HEAT SEALER A BENCH HEAT SEALER STRUCTURE FOR SEALING FILLED BAGS OR THE LIKE WHEREIN SAID BENCH STRUCTURE HAS MEANS OPERABLE UPON CLOSING A MAIN SWITCH FOR INITIATING AND MAINTAINING FOR A PREDETERMINED INTERVAL OF TIME A CYCLE CONSISTING OF THE SEQUENTIAL STEPS OF PRESSING AN ENERGIZED HEATED WIRE AGAINST THE OPEN END OF A MANUALLY HELD FILLED BAG, RELEASING THE WIRE FROM THE BAG AND DEENERGIZING THE WIRE, SAID FIRST-NAMED MEANS CONSISTING OF A SECOND STRUCTURE HAVING MEANS FOR SECURING THE SAMETO SAID BENCH STRUCTURE WITH THE TOP SURFACES OF BOTH SAID STRUCTURES LYING IN A COMMON PLANE, THE COMBINATION UNIT THUS FORMED BY BOTH SAID STRUCTURES BEING ADAPTED TO BE SUPPORTED WITH SAID BENCH STRUCTURE UPPERMOST ON A HORIZONTAL SURFACE AT AN ANGLE GREATER THAN THE ANGLE OF REPOSE OF A FILLED BAG SITUATED THEREON, SAID SECOND STRUCTURE HAVING LONGITUDINALLY ADJUSTABLE NORMALLY UPWARDLY PROJECTING STOP MEANS THEREON AND BEING ADAPTED TO HAVE THE FILLED BAG LAID THEREON WITH SAID OPEN END OF THE BAG POSITIONED FOR APPLICATION OF SAID ENERGIZED WIRE THERETO AS AFORESAID AND WITH THE OPPOSITE END OF THE BAG ENGAGED BY SAID STOP MEANS WHEREBY THE STOP MEANS PREVENTS THE BAG FROM SLIDING DOWN SAID SECOND STRUCTURE, SAID SECOND STRUCTURE HAVING A NORMALLY OPEN MICRO-SWITCH PROJECTING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |