US2791118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature correcting register for gas meters
Assignee: Sangamo Electric Co
•
Filing: 1954-10-08
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Granted: 1957-05-07
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Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Holtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/20; G01F3/22; G01F3/222; G01F3/224; G01F3/225; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532; Y10T74/1537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191207765A
Cited
US1923356A
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DE614238C
Cited
US2059547A
Cited
US2222551A
Cited
US2348593A
Cited
US2469673A
Cited
US2713272A
Cited
US2746677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |