US2657450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread gauging and flaw detecting device
Assignee: Wingfoot Corp
•
Filing: 1949-03-30
•
Granted: 1953-11-03
•
Expires: 1969-03-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Solliday
- 👤 Samuel A Steere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:38
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/06; B65H63/061; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750850A
Cited
US1458917A
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US1749511A
Cited
US1609917A
Cited
US1784141A
Cited
US2002843A
Cited
US2257125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |