US1629709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guard for pulleys
Assignee: AT&T Inc
•
Filing: 1925-11-21
•
Granted: 1927-05-24
•
Expires: 1945-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jones Harold Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:42
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/02; H01B13/0214; B; B65; B65H; B65H57/00; B65H57/14
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) | 1930-05-23 | 1930-11-22 | 1931-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-23 | 1934-11-22 | 1935-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-23 | 1938-11-22 | 1939-05-24 | $7700.00 | Window Closed / Lapsed |