Patent US2276567A successfully refreshed from Google Patents.
Patent US1570534A successfully refreshed from Google Patents.
US1570534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin
Assignee: Individual
•
Filing: 1923-12-03
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Granted: 1926-01-19
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Expires: 1943-12-03
Abstract
No abstract record available.
Inventors
- 👤 Sweeney Edward
- 👤 George A Hunsberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:53
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/26; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-01-18 | 1929-07-20 | 1930-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-01-18 | 1933-07-20 | 1934-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-01-18 | 1937-07-20 | 1938-01-19 | $7700.00 | Window Closed / Lapsed |