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US2604556A
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Assignee: Individual
•
Filing: 1946-11-21
•
Granted: 1952-07-22
•
Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Daly
- 👤 Louis E Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:12
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12; F42B19/24; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5646; Y10T70/565; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20732; Y10T74/20762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1195619A
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US1474942A
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US1534516A
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US1702035A
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US1675737A
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US1683196A
Cited
US1843804A
Cited
US1919949A
Cited
US2068582A
Cited
US2100426A
Cited
US2150838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |