US1410852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cut-off for gas lines
Assignee: Individual
•
Filing: 1921-07-11
•
Granted: 1922-03-28
•
Expires: 1941-07-11
Abstract
No abstract record available.
Inventors
- 👤 Tolla Theodore
- 👤 Boots Edgar Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
F; F16; F16K; F16K17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7729; Y10T137/8593; Y10T137/87917; Y10T137/88054
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) | 1925-03-27 | 1925-09-26 | 1926-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-03-27 | 1929-09-26 | 1930-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-03-27 | 1933-09-26 | 1934-03-28 | $7700.00 | Window Closed / Lapsed |