US3426524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot gas generator
Assignee: EDWARD L STRAUB
•
Filing: 1966-10-31
•
Granted: 1969-02-11
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Edward L Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:54
CPC Classifications
F; F02; F02B; F02B41/00; F02B41/02; F02B41/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677048A
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US969756A
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US1219630A
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US1947375A
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US2375160A
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US2791205A
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US3143850A
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US3192705A
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US3294072A
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US3267661A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |