US2916052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy transfer system
Assignee: Individual
•
Filing: 1955-01-04
•
Granted: 1959-12-08
•
Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 Melville F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F16L55/053; F16L55/054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1830869A
Cited
US1932666A
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US2012872A
Cited
US2081799A
Cited
US2401791A
Cited
US2561528A
Cited
US2682893A
Cited
US2731037A
Cited
US2755820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |