US1344555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-heater
Assignee: Individual
•
Filing: 1919-07-08
•
Granted: 1920-06-22
•
Expires: 1939-07-08
Abstract
No abstract record available.
Inventors
- 👤 Charles M Mogni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:51
CPC Classifications
D; D06; D06F; D06F79/00; D06F79/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87281; Y10T137/87338; Y10T137/87362; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692; Y10T137/877; Y10T137/87708; Y10T137/8774
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) | 1923-06-22 | 1923-12-22 | 1924-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-06-22 | 1927-12-22 | 1928-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-06-22 | 1931-12-22 | 1932-06-22 | $7700.00 | Window Closed / Lapsed |