US2392251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor tread dismantler
Assignee: OHIO AIRCRAFT FIXTURE CO
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Filing: 1944-03-02
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Granted: 1946-01-01
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Expires: 1964-03-02
Abstract
No abstract record available.
Inventors
- 👤 Percy W Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B62; B62D; B62D55/00; B62D55/32; B29K; B29K2021/00; B29K2705/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383
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) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |