Patent US2903677A successfully refreshed from Google Patents.
US2903677A
Expired / Lapsed
US
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Timing track recording apparatus
Assignee: Raytheon Co
•
Filing: 1956-01-13
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Granted: 1959-09-08
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Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:54
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2519763A
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US2614169A
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US2748269A
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US2685646A
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US2710787A
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US2761968A
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US2745958A
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US2764463A
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US2803515A
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US2801407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |