Patent US2616183A successfully refreshed from Google Patents.
US2616183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube calipering head
Assignee: Individual
•
Filing: 1947-10-11
•
Granted: 1952-11-04
•
Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Ingham S Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:52
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US713784A
Cited
US1490383A
Cited
US1431615A
Cited
US1928457A
Cited
US2122664A
Cited
US2095405A
Cited
US2147329A
Cited
US2369909A
Cited
DE705713C
Cited
US2235533A
Cited
US2281960A
Cited
US2348643A
Cited
US2360058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |