US1578488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling strands
Assignee: AT&T Inc
•
Filing: 1923-05-08
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Granted: 1926-03-30
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Expires: 1943-05-08
Abstract
No abstract record available.
Inventors
- 👤 Walker Howard George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:11
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/02; B65H49/04; B65H49/10; B65H49/12; 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) | 1929-03-29 | 1929-09-28 | 1930-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-29 | 1933-09-28 | 1934-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-29 | 1937-09-28 | 1938-03-30 | $7700.00 | Window Closed / Lapsed |