US2677306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projection indicator for measurement apparatus
Assignee: Individual
•
Filing: 1950-12-12
•
Granted: 1954-05-04
•
Expires: 1970-12-12
Abstract
No abstract record available.
Inventors
- 👤 Dodeman Jean Amand Gaston
- 👤 Glaziou Yves Alexandre Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:40
CPC Classifications
G; G01; G01D; G01D7/00; G01D7/02; G01D7/04; G01D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1074260A
Cited
US1357731A
Cited
US1487514A
Cited
US1882774A
Cited
US1939161A
Cited
US2116217A
Cited
US2191045A
Cited
US2369284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |