US3377604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical devices with frictionless flexible contacts
Assignee: ACTON LAB Inc
•
Filing: 1967-04-26
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Granted: 1968-04-09
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Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 John W Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/63; H01C; H01C10/00; H01C10/46; H01C10/48; H01H1/00; H01H1/12; H01H1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2917720A
Cited
US2862088A
Cited
US2916717A
Cited
US3070768A
Cited
US3102989A
Cited
US3198895A
Cited
US3274350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |