US3495586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectoscope with spreading means
Assignee: Individual
•
Filing: 1966-07-21
•
Granted: 1970-02-17
•
Expires: 1986-07-21
Abstract
No abstract record available.
Inventors
- 👤 Eberhard Regenbogen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/31; A61B17/00; A61B17/02; A61B17/0218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US365969A
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US1621159A
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US1719428A
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US1863234A
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US1901731A
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US2067031A
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US2072346A
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US2586553A
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US2767705A
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US2792837A
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US3044461A
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US3144020A
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 |