US1283997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometer-gage.
Assignee: RALPH H ROSENFELD
•
Filing: 1916-07-08
•
Granted: 1918-11-05
•
Expires: 1936-07-08
Abstract
No abstract record available.
Inventors
- 👤 William Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:21
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q17/2225; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0972
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) | 1921-11-04 | 1922-05-06 | 1922-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-11-04 | 1926-05-06 | 1926-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-11-04 | 1930-05-06 | 1930-11-05 | $7700.00 | Window Closed / Lapsed |