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US1427642A
Expired / Lapsed
US
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Hoisting chain
Assignee: Individual
•
Filing: 1921-10-20
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Granted: 1922-08-29
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Expires: 1941-10-20
Abstract
No abstract record available.
Inventors
- 👤 Warren P Rickard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:49
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/005; E06; E06C; E06C5/00; E06C5/26; E06C5/30; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902
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) | 1925-08-28 | 1926-02-27 | 1926-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-08-28 | 1930-02-27 | 1930-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-08-28 | 1934-02-27 | 1934-08-29 | $7700.00 | Window Closed / Lapsed |