Patent US3767968A successfully refreshed from Google Patents.
Patent US2476831A successfully refreshed from Google Patents.
US2476831A
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Curing bag
Assignee: Bridgestone Firestone Inc
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Filing: 1946-12-13
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Granted: 1949-07-19
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Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Corwin N Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:30
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0654; B29C; B29C33/00; B29C33/10; B29C43/00; B29C43/02; B29C43/10; B29C43/102; B29C43/104; B29C43/32; B29C43/36; B29C43/3642; B29D2030/0655; B29L; B29L2030/00; Y; Y10; Y10S; Y10S425/00; Y10S425/812
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) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |