US2772774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape roll and core
Assignee: 3M Co
•
Filing: 1953-03-19
•
Granted: 1956-12-04
•
Expires: 1973-03-19
Abstract
No abstract record available.
Inventors
- 👤 George R Rabuse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:21
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/10; B65H2701/00; B65H2701/30; B65H2701/37; B65H2701/377
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1222943A
Cited
US1450717A
Cited
US1769928A
Cited
GB487440A
Cited
US2350369A
Cited
US2651408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |