Patent EP0537793A2 successfully refreshed from Google Patents.
US2956446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternate action arrangement
Assignee: Honeywell Inc
•
Filing: 1958-03-26
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Granted: 1960-10-18
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Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Angus C Ensign
- 👤 Robert A Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/023; H01H13/50; H01H13/56; H01H13/562; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352889A
Cited
US2622561A
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AT162533B
Cited
FR1010739A
Cited
US2703348A
Cited
US2671354A
Cited
US2865333A
Cited
GB764791A
Cited
FR1128363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |