Patent US2121061A successfully refreshed from Google Patents.
US2117314A
Expired / Lapsed
US
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Gas holder
Assignee: Individual
•
Filing: 1934-09-29
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Granted: 1938-05-17
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Expires: 1954-09-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
F; F17; F17C; F17C3/00; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/0142; F17C2201/0147; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/013; F17C2203/06; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0678; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/0184; F17C2209/00; F17C2209/22; F17C2209/228; F17C2260/00; F17C2260/01; F17C2260/012; F17C2260/013; F17C2260/03; F17C2260/031; F17C2260/032; F17C2270/00; F17C2270/01; F17C2270/0134; F17C2270/0142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-05-16 | 1941-11-15 | 1942-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-16 | 1945-11-15 | 1946-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-16 | 1949-11-15 | 1950-05-17 | $7700.00 | Window Closed / Lapsed |