US1945294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing and testing bearings
Assignee: KALIF Corp
•
Filing: 1931-05-04
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Granted: 1934-01-30
•
Expires: 1951-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert D Pike
- 👤 Stevenson Hugo John
- 👤 Otto M Eash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:21
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/04; Y; Y10; Y10S; Y10S164/00; Y10S164/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49677; Y10T29/49703; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12986
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) | 1937-01-29 | 1937-07-31 | 1938-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-29 | 1941-07-31 | 1942-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-29 | 1945-07-31 | 1946-01-30 | $7700.00 | Window Closed / Lapsed |