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US2906730A
Expired / Lapsed
US
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Polytrifluorochloroethylene and cobaltic oxide or cobaltic sulfide
Assignee: 3M Co
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Filing: 1956-08-16
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Granted: 1959-09-29
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Francis J Honn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A NOVEL PLASTIC COMPOSITION COMPRISING A HOMOGENEOUS NORMALLY SOLID TRIIFUOROCHLOROETHYLENE POLYMERMASS AND INTIMATELY DISPERSED THEREIN A MINOR PROPORTION OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTIC OXIDE AND COBALTIC SULFIDE.
References Cited (Backward Citations)
US2140518A
Cited
US2161024A
Cited
US2479957A
Cited
US2482293A
Cited
US2686738A
Cited
US2737505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |