US2484090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-capacity spool
Assignee: Individual
•
Filing: 1946-09-18
•
Granted: 1949-10-11
•
Expires: 1966-09-18
Abstract
No abstract record available.
Inventors
- 👤 Reynold T Hedfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:33
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; A; A01; A01K; A01K97/00; A01K97/06; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/513; B65H2701/5134; B65H2701/5136
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US384328A
Cited
US1700181A
Cited
US1591771A
Cited
US1527478A
Cited
US1662238A
Cited
US1819337A
Cited
US1981809A
Cited
US2344665A
Cited
US2339688A
Cited
US2392492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |