Patent US3368564A successfully refreshed from Google Patents.
US3368564A
Expired / Lapsed
US
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Tube anchor and guide device
Assignee: RICHARD C SELIX
•
Filing: 1965-02-18
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Granted: 1968-02-13
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Richard C Selix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:06
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0253; Y; Y10; Y10S; Y10S128/00; Y10S128/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351927A
Cited
US3002630A
Cited
US3142778A
Cited
US3046989A
Cited
US3172407A
Cited
US3138158A
Cited
US3162920A
Cited
US3210816A
Cited
US3288136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |