US2519598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism
Assignee: United Shoe Machinery Corp
•
Filing: 1945-04-20
•
Granted: 1950-08-22
•
Expires: 1965-04-20
Abstract
No abstract record available.
Inventors
- 👤 Harry B Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:11
CPC Classifications
F; F42; F42C; F42C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1866996A
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US1974207A
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US2000448A
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US2051845A
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US1980892A
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US1977334A
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US2085442A
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US2079837A
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US2231156A
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US2285414A
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US2390382A
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US2378430A
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US2351743A
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US2391470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |