US2715055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Depth sounder recorder marking means
Assignee: Raytheon Co
•
Filing: 1949-10-06
•
Granted: 1955-08-09
•
Expires: 1969-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Fryklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/02; G01D9/10; G01D15/00; G01D15/06; G01D15/08; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |