Patent US2709553A successfully refreshed from Google Patents.
US2709553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of wire coiling
Assignee: FLORENCE K WELLCOME
•
Filing: 1951-08-20
•
Granted: 1955-05-31
•
Expires: 1971-08-20
Abstract
No abstract record available.
Inventors
- 👤 Hubert E Wellcome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:49
CPC Classifications
B; B65; B65H; B65H55/00; B21; B21C; B21C47/00; B21C47/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US460745A
Cited
US896655A
Cited
US1063646A
Cited
GB182574A
Cited
US1541683A
Cited
US1513403A
Cited
FR745997A
Cited
US2552594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |