US2727938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing gasket
Assignee: G&W Electric Specialty Co
•
Filing: 1952-05-20
•
Granted: 1955-12-20
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 James H Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/02; H02G15/06; H02G15/064; Y; Y10; Y10S; Y10S277/00; Y10S277/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200471A
Cited
US569247A
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US2127312A
Cited
US2294262A
Cited
US2253987A
Cited
US2336250A
Cited
US2354191A
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US2399550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |