US3239993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming plastic bags
Assignee: SAM CHERRIN
•
Filing: 1961-11-15
•
Granted: 1966-03-15
•
Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Cherrin Phil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:00
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
APPARATUS FOR FORMING PLASTIC BAGS, COMPRISING: SUPPORT MEANS FOR SUPPORTING A PLURALITY OF LAYERS OF PLASTIC FILM; ARM MEANS MOVABLE RELATIVE TO SAID SUPPORT MEANS TO AND FROM A POISTION WHEREIN THE LOWER SURFACE OF SAID ARM MEANS ENGAGES FILM DISPOSED ON SAID SUPPORT MEANS; A RESISTANCE WIRE DISPOSED ALONG THE LOWER SURFACE OF SAID ARM MEANS; SPRING MEANS FOR TENSIONING SAID RESISTANCE WIRE; ELECTRICAL POWER MEANS FOR HEATING SAID WIRE WHEN SAID ARM MEANS IS MOVED TO SAID POSITION, WHEREBY LAYERS OF PLASTIC FILM ON SAID SUPPORTING MEANS
Claim 2
Dependent Claim
89 words
APPARATUS FOR FORMING PLASTIC BAGS, COMPRISING: SUPPORT MEANS FOR SUPPORTING A PLURALITY OF LAYERS OF PLASTIC FILM; ARM MEANS MOVABLE RELATIVE TO SAID SUPPORT MEANS TO AND FROM A POISTION WHEREIN THE LOWER SURFACE OF SAID ARM MEANS ENGAGES FILM DISPOSED ON SAID SUPPORT MEANS; A RESISTANCE WIRE DISPOSED ALONG THE LOWER SURFACE OF SAID ARM MEANS; SPRING MEANS FOR TENSIONING SAID RESISTANCE WIRE; ELECTRICAL POWER MEANS FOR HEATING SAID WIRE WHEN SAID ARM MEANS IS MOVED TO SAID POSITION, WHEREBY LAYERS OF PLASTIC FILM ON SAID SUPPORTING MEANS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |