US2817384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube bending machine with rotating former and means for moving a wiper bar in an orbit at twice the angular speed of the former
Assignee: Combustion Engineering Inc
•
Filing: 1953-06-22
•
Granted: 1957-12-24
•
Expires: 1973-06-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Mabery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:08
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21D7/066; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US588223A
Cited
US2148748A
Cited
US1052069A
Cited
FR457101A
Cited
US1914810A
Cited
US2241414A
Cited
US2223015A
Cited
US2651349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |