US1950289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold hoist
Assignee: CONSTRUCTION EQUIPMENT COMPANY Inc
•
Filing: 1933-03-22
•
Granted: 1934-03-06
•
Expires: 1953-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jesse M Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/60; B66D1/605; B66D1/02; B66D1/04; B66D1/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20624; Y10T74/20732; Y10T74/20744; Y10T74/20756; Y10T74/20762
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) | 1937-03-05 | 1937-09-04 | 1938-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-05 | 1941-09-04 | 1942-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-05 | 1945-09-04 | 1946-03-06 | $7700.00 | Window Closed / Lapsed |