US3287315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric compositions containing adhesion inducing agents
Assignee: HK Porter Co Inc
•
Filing: 1963-07-22
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Granted: 1966-11-22
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Richard E Connor
- 👤 John C Kitching
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:18
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08K5/00; C08K5/04; C08K5/09; C08K5/098; B; B29; B29L; B29L2009/00; B29L2023/00; B29L2023/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN AN UNCURED ELASTOMERIC COMPOSITION COMPRISING A POLYCHLOROPRENE HYDROCARBON, AN ALKALINE EARTH METAL OXIDE, A VULCANIZING AGENT AND AN ACCELERATOR, THAT IMPROVEMENT WHICH COMPRISES INCLUDING IN THE COMPOSITION OF FROM 10% TO 25% OF AN ADHESION INDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF LEAD ACETATE, LEAD SUBACETATE AND LEAD CARBONATE.
Claim 2
Dependent Claim
51 words
IN AN UNCURED ELASTOMERIC COMPOSITION COMPRISING A POLYCHLOROPRENE HYDROCARBON, AN ALKALINE EARTH METAL OXIDE, A VULCANIZING AGENT AND AN ACCELERATOR, THAT IMPROVEMENT WHICH COMPRISES INCLUDING IN THE COMPOSITION OF FROM 10% TO 25% OF AN ADHESION INDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF LEAD ACETATE, LEAD SUBACETATE AND LEAD CARBONATE.
References Cited (Backward Citations)
US2889307A
Cited
US2954356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |