Patent US1454657A successfully refreshed from Google Patents.
US1454657A
Expired / Lapsed
US
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Self-aligning pulley
Assignee: Pullman Co LLC
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Filing: 1921-03-01
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Granted: 1923-05-08
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Expires: 1941-03-01
Abstract
No abstract record available.
Inventors
- 👤 William C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:14
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7054; Y10T403/7056
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) | 1926-05-07 | 1926-11-06 | 1927-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-07 | 1930-11-06 | 1931-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-07 | 1934-11-06 | 1935-05-08 | $7700.00 | Window Closed / Lapsed |