US2905648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a vinylidene chloride polymer and mixtures of alkali metal salts of oxy acids
Assignee: Dow Chemical Co
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Filing: 1955-10-24
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Granted: 1959-09-22
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Emil M Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:14
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16; C08K3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20953E
Cited
US2065766A
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US2251486A
Cited
US2542973A
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US2543027A
Cited
US2808379A
Cited
US2806823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |