US939957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat.
Assignee: GEISSINGER REGULATOR Co
•
Filing: 1908-11-30
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Granted: 1909-11-09
•
Expires: 1928-11-30
Abstract
No abstract record available.
Inventors
- 👤 Harry G Geissinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:18
CPC Classifications
F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/06114; H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; Y; Y10; Y10S; Y10S200/00; Y10S200/28
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) | 1912-11-08 | 1913-05-10 | 1913-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-08 | 1917-05-10 | 1917-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-08 | 1921-05-10 | 1921-11-09 | $7700.00 | Window Closed / Lapsed |