US3496492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave strip-in-trough line
Assignee: Siemens AG
•
Filing: 1966-09-30
•
Granted: 1970-02-17
•
Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Albert Kurzl
- 👤 Hans-Adolf Fritsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:26
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/081; H01P1/00; H01P1/04; H01P1/047; H01P1/24; H01P1/26; H01P1/268; H01P5/00; H01P5/08; H01P5/12; H01P5/16; H01P5/18; H01P5/184; H01P5/187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575571A
Cited
US2721312A
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US2934719A
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DE1056210B
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US3012210A
Cited
US3166723A
Cited
US3221274A
Cited
US3162717A
Cited
US3315182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |