US3543049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ramp generator with clamp
Assignee: Raytheon Co
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Filing: 1968-08-26
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Granted: 1970-11-24
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Expires: 1988-08-26
Abstract
No abstract record available.
Inventors
- 👤 Robert P Farnsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:36
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/003; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |