Patent US4019910A successfully refreshed from Google Patents.
Patent US2876449A successfully refreshed from Google Patents.
US2876449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of winding armature cores in an apparatus
Assignee: Individual
•
Filing: 1956-09-21
•
Granted: 1959-03-03
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Farmer Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:37
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/09; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2589521A
Cited
US504390A
Cited
US1304780A
Cited
US494042A
Cited
US1622185A
Cited
US2026365A
Cited
US2173091A
Cited
US2306855A
Cited
US2503752A
Cited
US2455355A
Cited
US2633552A
Cited
US2743508A
Cited
US2684428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |