Patent US2956911A successfully refreshed from Google Patents.
US2956911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of coatings from metal surfaces
Assignee: Honeywell International Inc
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Filing: 1956-03-29
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Granted: 1960-10-18
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Jelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:19
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0004; B29C63/0013; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/712
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF SEPARATING A CHEMICALLY RESISTANT LAYER OF SYNTHETIC RUBBER FROM A METAL SURFACE TO WHICH IT IS BONDED COMPRISING CONTACTING THE LAYER WITH VAPOR AND CONDENSATE OF AN ORGANIC CHLORINATED AROMATIC COMPOUND IN WHICH SAID RUBBER IS SUBSTANTIALLY INSOLUBLE AT A TEMPERATURE OF AT LEAST ABOUT 80*C. AND BELOW THE TEMPERATURE AT WHICH SAID RUBBER DECOMPOSES UNTIL THE LAYER THEREOF SEPARATES FROM SAID METAL SURFACE IN SHEET FORM.
Claim 2
Independent Claim
70 words
THE METHOD OF SEPARATING A CHEMICALLY RESISTANT LAYER OF SYNTHETIC RUBBER FROM A METAL SURFACE TO WHICH IT IS BONDED COMPRISING CONTACTING THE LAYER WITH VAPOR AND CONDENSATE OF AN ORGANIC CHLORINATED AROMATIC COMPOUND IN WHICH SAID RUBBER IS SUBSTANTIALLY INSOLUBLE AT A TEMPERATURE OF AT LEAST ABOUT 80*C. AND BELOW THE TEMPERATURE AT WHICH SAID RUBBER DECOMPOSES UNTIL THE LAYER THEREOF SEPARATES FROM SAID METAL SURFACE IN SHEET FORM.
References Cited (Backward Citations)
GB556635A
Cited
US2417468A
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US2406458A
Cited
US2637670A
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US2571328A
Cited
US2662837A
Cited
US2755209A
Cited
US2852471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |