Patent US1998633A successfully refreshed from Google Patents.
US1998633A
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Method of splicing tubes
Assignee: Bridgestone Firestone Inc
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Filing: 1931-05-09
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Granted: 1935-04-23
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Expires: 1951-05-09
Abstract
No abstract record available.
Inventors
- 👤 George B Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:54
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/02; B29B15/04; B29C; B29C66/00; B29C66/01; B29C66/02; B29C66/022; B29C66/0224; B29C66/02245; B29C66/05; B29C66/10; B29C66/11; B29C66/116; B29C66/1162; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/52211; B29C66/70; B29C66/71; B29C66/73; B29C66/737; B29C66/7375; B29C66/73751; B29C66/73752; B29C65/00; B29C65/02; B29K; B29K2021/00; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2023/00; B29L2023/24; B29L2023/245
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) | 1938-04-22 | 1938-10-22 | 1939-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-22 | 1942-10-22 | 1943-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-22 | 1946-10-22 | 1947-04-23 | $7700.00 | Window Closed / Lapsed |