US2015809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic piling and unpiling apparatus
Assignee: Individual
•
Filing: 1933-11-10
•
Granted: 1935-10-01
•
Expires: 1953-11-10
Abstract
No abstract record available.
Inventors
- 👤 Earl E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/08; B65G57/00; B65G57/02; B65G57/03; B65G57/04; B65G59/00; B65G59/02; B65G59/04; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/112
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) | 1938-09-30 | 1939-04-01 | 1939-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-30 | 1943-04-01 | 1943-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-30 | 1947-04-01 | 1947-10-01 | $7700.00 | Window Closed / Lapsed |