US2652690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility master power unit
Assignee: MINNIE O'BRIEN LABRIOLA
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Filing: 1951-09-27
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Granted: 1953-09-22
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Expires: 1971-09-27
Abstract
No abstract record available.
Inventors
- 👤 Nicholas C Labriola
- 👤 Adamec Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
F; F03; F03B; F03B13/00; F03B13/06; F03B15/00; F03B15/02; F03B15/04; F03B15/06; F03B15/14; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02E60/00; Y02E60/16; Y10; Y10S; Y10S60/00; Y10S60/911
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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |