Patent US2469359A successfully refreshed from Google Patents.
US2469359A
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Assignee: Individual
•
Filing: 1945-01-24
•
Granted: 1949-05-10
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Expires: 1965-01-24
Abstract
No abstract record available.
Inventors
- 👤 Ames Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:14
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61H2003/043; A61H2003/046; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/1633; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US134733A
Cited
US334998A
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US433508A
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US503105A
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US692036A
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US1949163A
Cited
US1972557A
Cited
US2129260A
Cited
US2181420A
Cited
US2241481A
Cited
US2282689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |