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US3081487A
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US
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Elastomeric foam producing apparatus
Assignee: Old Carco LLC
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Filing: 1960-06-30
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Granted: 1963-03-19
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 George R Heffner
- 👤 Vearl A Williams
- 👤 Sotirios S Beicos
- 👤 David L Sutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:23
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/404; B29C; B29C44/00; B29C44/34; B29C44/60; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A PLOYURETHANE FOAM PRODUCTS APPARATUS HAVING A MOLD CONVEYOR SYSTEM, A PLURALITY OF POURING HEADS ADJUSTABLY POSITIONED WITH RESPECT TO SAID CONVEYOR SYSTEM, SPEED ADJUSTABLE MIXING MEANS IN EACH SAID HEAD, ADJUSTING MEANS, TIMER MEANS FOR CONTROLLING THE OPERATING MIXING MEANS, TIMER MEANS FOR CONTROLLING THE OPERATING CYCLE OF EACH SAID ADJUSTING MEANS INDEPENDENTLY OF EACH OTHER ADJUSTING MEANS, FOAM POURING VALVE MEANS IN EACH OF SAID HEADS, ACTUATING MEANS OPERATIVELY CONNECTED TO EACH SAID VALVE MEANS OF EACH HEAD AND OPERABLE TO ACTUATE EACH SAID VALVE MEANS INDEPENDENTLY OF EACH OTHER VALVE MEANS, TIMER MEANS OPERABLY CONNECTED TO EACH SAID ACTUATING MEANS FOR CONTROLLING THE OPERATION THEREOF INDEPENDENTLY OF EACH OTHER TIMER MEANS.
Claim 2
Dependent Claim
115 words
IN A PLOYURETHANE FOAM PRODUCTS APPARATUS HAVING A MOLD CONVEYOR SYSTEM, A PLURALITY OF POURING HEADS ADJUSTABLY POSITIONED WITH RESPECT TO SAID CONVEYOR SYSTEM, SPEED ADJUSTABLE MIXING MEANS IN EACH SAID HEAD, ADJUSTING MEANS, TIMER MEANS FOR CONTROLLING THE OPERATING MIXING MEANS, TIMER MEANS FOR CONTROLLING THE OPERATING CYCLE OF EACH SAID ADJUSTING MEANS INDEPENDENTLY OF EACH OTHER ADJUSTING MEANS, FOAM POURING VALVE MEANS IN EACH OF SAID HEADS, ACTUATING MEANS OPERATIVELY CONNECTED TO EACH SAID VALVE MEANS OF EACH HEAD AND OPERABLE TO ACTUATE EACH SAID VALVE MEANS INDEPENDENTLY OF EACH OTHER VALVE MEANS, TIMER MEANS OPERABLY CONNECTED TO EACH SAID ACTUATING MEANS FOR CONTROLLING THE OPERATION THEREOF INDEPENDENTLY OF EACH OTHER TIMER MEANS.
References Cited (Backward Citations)
US2256660A
Cited
US2549864A
Cited
US2791353A
Cited
US2788953A
Cited
US2827665A
Cited
US2841205A
Cited
US2958516A
Cited
US2990380A
Cited
US3013924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |