US2779544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strand takeup distributor
Assignee: AT&T Inc
•
Filing: 1953-09-09
•
Granted: 1957-01-29
•
Expires: 1973-09-09
Abstract
No abstract record available.
Inventors
- 👤 Giles P Hafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:13
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2848; B65H54/2854; B65H54/2857; B65H54/2866; B65H54/10; B65H54/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806697A
Cited
US2184704A
Cited
US2276916A
Cited
US2336574A
Cited
US2575031A
Cited
US2626765A
Cited
GB700718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |