US2474528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil shaping apparatus
Assignee: Motors Liquidation Co
•
Filing: 1947-09-06
•
Granted: 1949-06-28
•
Expires: 1967-09-06
Abstract
No abstract record available.
Inventors
- 👤 Flavis E Hook
- 👤 Raymond O Riggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:24
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US227196A
Cited
US495592A
Cited
US783500A
Cited
US1721636A
Cited
US1804607A
Cited
US2261576A
Cited
US2324982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |