US2972887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat mounting assembly for hot water heaters
Assignee: Therm O Disc Inc
•
Filing: 1958-01-09
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Granted: 1961-02-28
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Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 James H Germany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:25
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; G05D23/01; G05D23/12; G05D23/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |