US2977066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knock-down reel
Assignee: AT&T Inc
•
Filing: 1956-12-13
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Granted: 1961-03-28
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Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Frank E Kimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:59
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H75/18; B65H75/22; B65H75/2245; B65H75/2254; B65H75/2263; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/515; B65H2701/5152; B65H2701/51522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US384329A
Cited
US1341815A
Cited
US1588017A
Cited
GB347168A
Cited
US1972572A
Cited
US2099102A
Cited
US2585159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |