US1758427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Warner and Swasey Co
•
Filing: 1929-03-08
•
Granted: 1930-05-13
•
Expires: 1949-03-08
Abstract
No abstract record available.
Inventors
- 👤 William J Burger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:40
CPC Classifications
B; B23; B23Q; B23Q17/00; Y; Y10; Y10S; Y10S74/00; Y10S74/07; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014
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) | 1933-05-12 | 1933-11-11 | 1934-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-12 | 1937-11-11 | 1938-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-12 | 1941-11-11 | 1942-05-13 | $7700.00 | Window Closed / Lapsed |