Patent US2659547A successfully refreshed from Google Patents.
US2659547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin
Assignee: Sonoco Products Co
•
Filing: 1948-04-21
•
Granted: 1953-11-17
•
Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 William B Broadbent
- 👤 Boyd H Sing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:09
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/10; B65H75/18; B65H75/182; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE60329C
Cited
US335783A
Cited
DE1024C
Cited
US1037295A
Cited
US1090399A
Cited
US1858410A
Cited
US2006797A
Cited
GB461069A
Cited
US2419415A
Cited
US2377920A
Cited
US2381869A
Cited
US2448242A
Cited
US2495058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |