US1463580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing the contours of gear teeth
Assignee: Individual
•
Filing: 1921-09-20
•
Granted: 1923-07-31
•
Expires: 1941-09-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Harter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20; Y; Y10; Y10S; Y10S451/00; Y10S451/90
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) | 1926-07-30 | 1927-01-29 | 1927-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-30 | 1931-01-29 | 1931-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-30 | 1935-01-29 | 1935-07-31 | $7700.00 | Window Closed / Lapsed |