Patent US2435464A successfully refreshed from Google Patents.
US2435464A
Expired / Lapsed
US
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Moistureproof polyvinyl films
Assignee: Bridgestone Firestone Inc
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Filing: 1944-03-11
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Granted: 1948-02-03
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Expires: 1964-03-11
Abstract
No abstract record available.
Inventors
- 👤 Milton R Radcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06; Y; Y10; Y10S; Y10S206/00; Y10S206/819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |