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US2522703A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1946-02-13
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Granted: 1950-09-19
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Expires: 1966-02-13
Abstract
No abstract record available.
Inventors
- 👤 Collins Henry Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:51
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US87170A
Cited
US228339A
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USRE19813E
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USRE20934E
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US1243239A
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US1627050A
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US1583512A
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US1858247A
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US1945995A
Cited
US2047582A
Cited
US2094257A
Cited
US2270061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |