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Patent US3236419A successfully refreshed from Google Patents.
US3236419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam dispenser
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1964-02-10
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Granted: 1966-02-22
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Remer James E De
- 👤 Gardner Eugene George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:20
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7438; B29B7/7404; B29B7/7447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A SYSTEM FOR MIXING AND DISPENSING A PLASTIC FOAM SUCH AS A POLYURETHANE OR THE LIKE AND HAVING MEANS FOR SEPARATELY STORING TWO OR MORE SUBSTANCES TO BE MIXED, A DISPENSING MEANS AND MEANS DELIVERING SAID SUBSTANCES FROM SAID STORING MEANS TO SAID DISPENSING MEANS, SAID DISPENSING MEANS COMPRISING; (A) A HOUSING HAVING INLETS CONNECTED WITH SAID DELIVERY MEANS, (B) A MIXING CHAMBER AND RESILIENT TUBULAR MEMBERS CONNECTING SAID INLETS WITH SAID MIXING CHAMBER, (C) VALVE MEANS SELECTIVELY MOVABLE BETWEEN A FIRST POSITION COMPRESSING SAID TUBULAR MEMBERS TO CLOSE
Claim 2
Dependent Claim
90 words
IN A SYSTEM FOR MIXING AND DISPENSING A PLASTIC FOAM SUCH AS A POLYURETHANE OR THE LIKE AND HAVING MEANS FOR SEPARATELY STORING TWO OR MORE SUBSTANCES TO BE MIXED, A DISPENSING MEANS AND MEANS DELIVERING SAID SUBSTANCES FROM SAID STORING MEANS TO SAID DISPENSING MEANS, SAID DISPENSING MEANS COMPRISING; (A) A HOUSING HAVING INLETS CONNECTED WITH SAID DELIVERY MEANS, (B) A MIXING CHAMBER AND RESILIENT TUBULAR MEMBERS CONNECTING SAID INLETS WITH SAID MIXING CHAMBER, (C) VALVE MEANS SELECTIVELY MOVABLE BETWEEN A FIRST POSITION COMPRESSING SAID TUBULAR MEMBERS TO CLOSE
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |