US1688868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas holder
Assignee: Individual
•
Filing: 1927-06-11
•
Granted: 1928-10-23
•
Expires: 1947-06-11
Abstract
No abstract record available.
Inventors
- 👤 George T Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:37
CPC Classifications
F; F17; F17C; F17C3/00; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/05; F17C2201/052; F17C2201/054; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2205/0184; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/228; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/013; F17C2270/00; F17C2270/01; F17C2270/0134
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) | 1931-10-23 | 1932-04-23 | 1932-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-23 | 1936-04-23 | 1936-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-23 | 1940-04-23 | 1940-10-23 | $7700.00 | Window Closed / Lapsed |