Patent US2764751A successfully refreshed from Google Patents.
US2764751A
Expired / Lapsed
US
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Assignee: International Standard Electric Corp
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Filing: 1953-11-25
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Granted: 1956-09-25
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Guadke Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
H; H02; H02B; H02B15/00; H02B15/02; H02B15/04; B; B61; B61L; B61L25/00; B61L25/06; B61L25/08
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |