US2602337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle control
Assignee: JOHN F HAAS
•
Filing: 1948-10-06
•
Granted: 1952-07-08
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Elsie R Nawman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:33
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/12; B63H21/14; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829334A
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US852690A
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US1557465A
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US1479108A
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US1973535A
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US1979028A
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US2117288A
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US2400088A
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US2377583A
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US2463536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |