Patent US2334901A successfully refreshed from Google Patents.
US2334901A
Expired / Lapsed
US
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Combination switch handle and seal
Assignee: Individual
•
Filing: 1942-07-10
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Granted: 1943-11-23
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Expires: 1962-07-10
Abstract
No abstract record available.
Inventors
- 👤 Adolph D Bullerjahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/04; H01H23/06; H01H9/00; H01H9/02; H01H9/04; H01H2009/048; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201; Y10T74/20576; Y10T74/20732; Y10T74/20876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-22 | 1947-05-24 | 1947-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-22 | 1951-05-24 | 1951-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-22 | 1955-05-24 | 1955-11-23 | $7700.00 | Window Closed / Lapsed |