Patent US3416388A successfully refreshed from Google Patents.
US3416388A
Expired / Lapsed
US
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Push button retention and release mechanism
Assignee: US Philips Corp
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Filing: 1967-01-10
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Granted: 1968-12-17
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Expires: 1987-01-10
Abstract
No abstract record available.
Inventors
- 👤 Piotrowski Tadeus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:23
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/02; G06C7/04; G11; G11B; G11B15/00; G11B15/02; G11B15/10; H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/74; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/12; H03J5/24; H03J5/26; H03J5/32; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |