US1979478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring machine
Assignee: Leland Electric Co
•
Filing: 1932-07-11
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Granted: 1934-11-06
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Expires: 1952-07-11
Abstract
No abstract record available.
Inventors
- 👤 George H Leland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:48
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/02; Y; Y10; Y10S; Y10S29/00; Y10S29/078; Y10S82/00; Y10S82/901; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T408/00; Y10T408/10; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/44; Y10T409/00; Y10T409/30; Y10T409/304088; Y10T409/306664; Y10T409/307224; Y10T409/307336
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) | 1937-11-05 | 1938-05-07 | 1938-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-05 | 1942-05-07 | 1942-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-05 | 1946-05-07 | 1946-11-06 | $7700.00 | Window Closed / Lapsed |