US2610407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geometrical instrument
Assignee: Individual
•
Filing: 1945-08-10
•
Granted: 1952-09-16
•
Expires: 1965-08-10
Abstract
No abstract record available.
Inventors
- 👤 Sr Daniel J Mcquaid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:47
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/141; B43L13/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US777770A
Cited
US855987A
Cited
US870959A
Cited
US1470530A
Cited
AT101274B
Cited
US1723517A
Cited
US1584507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |