US2967590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braking apparatus
Assignee: General Dynamics Corp
•
Filing: 1957-07-16
•
Granted: 1961-01-10
•
Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jack B Ottestad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:50
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1503882A
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US1382211A
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AT112235B
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US2103708A
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DE741611C
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US2407655A
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FR944111A
Cited
US2792081A
Cited
US2792091A
Cited
US2856200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |