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US2438596A
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Assignee: A A FOOTE
•
Filing: 1946-09-27
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Granted: 1948-03-30
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Expires: 1966-09-27
Abstract
No abstract record available.
Inventors
- 👤 Franklin M Arave
- 👤 Thomas W Nolan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:54
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B2202/00; B62B2202/22; B62B5/00; B62B5/02; B62B5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US554840A
Cited
US1513045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |