US2613049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spool with removable head
Assignee: AKRON SPOOL AND Manufacturing CO
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Filing: 1947-09-19
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Granted: 1952-10-07
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Expires: 1967-09-19
Abstract
No abstract record available.
Inventors
- 👤 John B Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:29
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/515; B65H2701/5152; B65H2701/51524; B65H2701/51526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919355A
Cited
FR512660A
Cited
US1394382A
Cited
US1599504A
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US1781801A
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US2237837A
Cited
US2370066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |