Patent US3112772A successfully refreshed from Google Patents.
US3112772A
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Elastomeric composition and method of bonding elastomers to ferrous and like metals
Assignee: HK Porter Co Inc
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Filing: 1961-02-09
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Granted: 1963-12-03
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Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Richard E Connor
- 👤 John C Kitching
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29L; B29L2009/00; B29L2023/00; B29L2023/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A HOSE COMPRISING A TUBULAR LAYER OF AN ELASTOMERIC COMPOSITION CONTAINING A SUBSTANTIAL PROPORTION OF A POLYCHLOROPRENE AND FROM 10% TO 25% OF AN ORGANIC LEAD
References Cited (Backward Citations)
US2140518A
Cited
US2141126A
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US2173359A
Cited
US2544119A
Cited
US2945834A
Cited
US2943073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |