US2935704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated delay line
Assignee: Epsco Inc
•
Filing: 1955-10-03
•
Granted: 1960-05-03
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Gordon
- 👤 Hans R Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:39
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/30; H03H7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2407294A
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US1882397A
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US2235019A
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US2231389A
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US2310797A
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US2326826A
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US2326742A
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US2326770A
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US2281461A
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US2447485A
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US2589076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |