Patent US2455880A successfully refreshed from Google Patents.
US2455880A
Expired / Lapsed
US
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Lead silanolate stabilizers for vinyl halide resins
Assignee: General Electric Co
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Filing: 1946-05-13
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Granted: 1948-12-07
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Expires: 1966-05-13
Abstract
No abstract record available.
Inventors
- 👤 Moyer M Safford
- 👤 Edwin L Mincher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/5406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |