Patent US5322572A successfully refreshed from Google Patents.
US2147204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle for spinning machines
Assignee: WICACO MACHINE CORP
•
Filing: 1938-03-11
•
Granted: 1939-02-14
•
Expires: 1958-03-11
Abstract
No abstract record available.
Inventors
- 👤 Laird Joseph Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:19
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/24; H; H02; H02K; H02K49/00; H02K49/10; H02K49/104; H02K49/108
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |