Patent US2935663A successfully refreshed from Google Patents.
US2935663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic actuators
Assignee: Individual
•
Filing: 1958-04-04
•
Granted: 1960-05-03
•
Expires: 1978-04-04
Abstract
No abstract record available.
Inventors
- 👤 Manfred J Pollak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:18
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US476236A
Cited
US548601A
Cited
US723119A
Cited
US1880523A
Cited
US1931701A
Cited
US2131942A
Cited
US2248095A
Cited
US2881367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |