US2500936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generating apparatus
Assignee: Bastian Blessing Co
•
Filing: 1936-06-27
•
Granted: 1950-03-21
•
Expires: 1956-06-27
Abstract
No abstract record available.
Inventors
- 👤 George W Dick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:41
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2305314A
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US2155340A
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US2339134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |