US1506461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revolution counter for rotating bodies
Assignee: Individual
•
Filing: 1923-08-13
•
Granted: 1924-08-26
•
Expires: 1943-08-13
Abstract
No abstract record available.
Inventors
- 👤 Svensson Karl Johan
- 👤 Norling Karl Axel Patrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:22
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/083
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) | 1927-08-26 | 1928-02-25 | 1928-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-26 | 1932-02-25 | 1932-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-26 | 1936-02-25 | 1936-08-26 | $7700.00 | Window Closed / Lapsed |