US2983459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for winding coils of web material
Assignee: General Electric Co
•
Filing: 1958-01-20
•
Granted: 1961-05-09
•
Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Willard F M Gray
- 👤 Jr William C Hurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:51
CPC Classifications
B; B65; B65H; B65H18/00; B65H18/08; B65H18/10; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/061; H01F41/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US339796A
Cited
US1353634A
Cited
US1841562A
Cited
US1829727A
Cited
US1907761A
Cited
US1825783A
Cited
US2788594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |