US2714047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording apparatus for multiple course tracing
Assignee: Individual
•
Filing: 1950-12-23
•
Granted: 1955-07-26
•
Expires: 1970-12-23
Abstract
No abstract record available.
Inventors
- 👤 Richard C Dehmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985265A
Cited
US2224182A
Cited
US2475314A
Cited
US2415880A
Cited
US2587145A
Cited
US2569817A
Cited
US2596305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |