US2839809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable link
Assignee: Capewell Manufacturing Co
•
Filing: 1953-04-01
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Granted: 1958-06-24
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Expires: 1973-04-01
Abstract
No abstract record available.
Inventors
- 👤 Alden Y Warner
- 👤 Wilbur J Craven
- 👤 Stacherl John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:50
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16G; F16G15/00; F16G15/02; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US624679A
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US735618A
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US1176205A
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US1694746A
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US1862623A
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US2229106A
Cited
US2487509A
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US2631465A
Cited
US2648989A
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US2636235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |