US2881529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal diameter micrometer
Assignee: PIERRE ROCH SARL
•
Filing: 1954-12-13
•
Granted: 1959-04-14
•
Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Roch Pierre Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:21
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)
US1547668A
Cited
US2135912A
Cited
US2478427A
Cited
CH245407A
Cited
US2591452A
Cited
US2584602A
Cited
US2577633A
Cited
CH261069A
Cited
US2674046A
Cited
US2679107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |