US3222473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined switch and closure means
Assignee: Individual
•
Filing: 1961-06-28
•
Granted: 1965-12-07
•
Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jose H Delhase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:48
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/04; H; H01; H01H; H01H3/00; H01H3/02; H01H3/16; H01H3/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759814A
Cited
US904979A
Cited
US1526747A
Cited
US1649475A
Cited
US1627357A
Cited
US1702483A
Cited
US2317277A
Cited
US2467815A
Cited
US2659620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |