US2747155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding generator control apparatus
Assignee: CAPUTO
•
Filing: 1951-10-22
•
Granted: 1956-05-22
•
Expires: 1971-10-22
Abstract
No abstract record available.
Inventors
- 👤 James V Caputo
- 👤 Thomas J Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:18
CPC Classifications
H; H02; H02K; H02K47/00; H02K47/02; H02K47/04; B; B23; B23K; B23K11/00; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US731581A
Cited
US1079259A
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US1335141A
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FR472796A
Cited
US1476978A
Cited
US1943320A
Cited
US2311462A
Cited
US2431252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |