US2900592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power sources
Assignee: Individual
•
Filing: 1958-10-03
•
Granted: 1959-08-18
•
Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Baruch Sydney Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:29
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/18; H02K7/1869; H02K7/1876; H02K7/1884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785643A
Cited
US1975175A
Cited
US2486656A
Cited
US2475200A
Cited
US2531230A
Cited
US2539535A
Cited
US2787719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |