Patent US5615388A successfully refreshed from Google Patents.
Patent US1513387A successfully refreshed from Google Patents.
US1513387A
Expired / Lapsed
US
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Rotary hoist
Assignee: Individual
•
Filing: 1922-05-03
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Granted: 1924-10-28
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Expires: 1942-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Greve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:19
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/008; E21B3/00; E21B3/02; E21B3/04; E21B3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19107; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194
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) | 1927-10-28 | 1928-04-28 | 1928-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-10-28 | 1932-04-28 | 1932-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-10-28 | 1936-04-28 | 1936-10-28 | $7700.00 | Window Closed / Lapsed |