Patent US2512774A successfully refreshed from Google Patents.
US2512774A
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US
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Method of making inner tubes
Assignee: Individual
•
Filing: 1948-04-09
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Granted: 1950-06-27
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Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Musselman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:04
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/52211; B29C66/63; B29C66/634; B29C66/70; B29C66/71; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509097A
Cited
US529142A
Cited
US1311392A
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US836772A
Cited
US1402492A
Cited
US1800462A
Cited
US1755048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |