US3192836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm for fuel pumps and the like
Assignee: Motors Liquidation Co
•
Filing: 1962-09-19
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Granted: 1965-07-06
•
Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Schwartzwalder Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:41
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/02; F02; F02M; F02M1/00; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PUMP DIAPHRAGM COMPRISING A RELATIVELY THICK CONTINUOUS LAYER OF CLOTH REINFORCED FOAMED BUTADIENE ACRYLONITRILE ELASTOMER HAVING BONDED ON EACH SIDE THEREOF AND CO-EXTENSIVELY THEREWITH A THIN LAYER OF NONPOROUS FLUID IMPERVIOUS BUTADIENE ACRYLONITRILE ELASTOMER.
Claim 2
Dependent Claim
35 words
A PUMP DIAPHRAGM COMPRISING A RELATIVELY THICK CONTINUOUS LAYER OF CLOTH REINFORCED FOAMED BUTADIENE ACRYLONITRILE ELASTOMER HAVING BONDED ON EACH SIDE THEREOF AND CO-EXTENSIVELY THEREWITH A THIN LAYER OF NONPOROUS FLUID IMPERVIOUS BUTADIENE ACRYLONITRILE ELASTOMER.
References Cited (Backward Citations)
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US1515702A
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US2348740A
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US2537241A
Cited
US2578140A
Cited
US2586275A
Cited
US2644280A
Cited
US2999041A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |