Patent US1463987A successfully refreshed from Google Patents.
US1463987A
Expired / Lapsed
US
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Mode of manufacturing inner tubes
Assignee: WILDMAN RUBBER Co
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Filing: 1921-06-16
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Granted: 1923-08-07
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Expires: 1941-06-16
Abstract
No abstract record available.
Inventors
- 👤 William W Wildman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:47
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/24; B29K; B29K2021/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10666; Y10T152/10675; Y10T152/10702
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) | 1926-08-06 | 1927-02-05 | 1927-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-06 | 1931-02-05 | 1931-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-06 | 1935-02-05 | 1935-08-07 | $7700.00 | Window Closed / Lapsed |