US2974183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket for electric equipment
Assignee: Hazeltine Research Inc
•
Filing: 1959-04-08
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Granted: 1961-03-07
•
Expires: 1979-04-08
Abstract
No abstract record available.
Inventors
- 👤 Kes William
- 👤 Jasper J Okrent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:48
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/088; Y; Y10; Y10S; Y10S277/00; Y10S277/92
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) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |