US2658975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay switch
Assignee: Individual
•
Filing: 1951-11-29
•
Granted: 1953-11-10
•
Expires: 1971-11-29
Abstract
No abstract record available.
Inventors
- 👤 Zuckerman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:24
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1230172A
Cited
US1513247A
Cited
US1571104A
Cited
US2489391A
Cited
US2484112A
Cited
US2494863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |