US3367338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical appliance
Assignee: BEE CARL CRANDALL
•
Filing: 1965-10-23
•
Granted: 1968-02-06
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Crandall Bee Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:42
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A SURGICAL DEVICE, A METALLIC ANNULAR RIM HAVING AN APERTURE THEREIN, AN EXTERNAL RADIAL FLANGE ALONG EACH EDGE THEREOF, A NIPPLE ADAPTED FOR CONNECTION TO A DRAINAGE TUBE SURROUNDING SAID APERTURE, A CIRCULAR METALLIC OUTER WALL HAVING AN INWARDLY REVERTED FLANGE OVERLYING ONE OF SAID EXTERNAL RADIAL FLANGES AND CLOSING ONE SIDE OF SAID RIM TO DEFINE A CIRCULAR RECEPTACLE, A CONCAVED CIRCULAR INNER WALL HAVING A REVERTED FLANGE OVERLYING THE OTHER OF SAID RADIAL FLANGES, AND HAVING A CENTRAL OPENING THEREIN, A CONCAVED COMPRESSIBLE RESILIENT PAD CONFORMING TO SAID INNER WALL, A SHEET OF RESILIENT MATERIAL OVERLYING SAID PAD AND SECURED THERETO, SAID PAD AND SHEETS
Claim 2
Dependent Claim
108 words
IN A SURGICAL DEVICE, A METALLIC ANNULAR RIM HAVING AN APERTURE THEREIN, AN EXTERNAL RADIAL FLANGE ALONG EACH EDGE THEREOF, A NIPPLE ADAPTED FOR CONNECTION TO A DRAINAGE TUBE SURROUNDING SAID APERTURE, A CIRCULAR METALLIC OUTER WALL HAVING AN INWARDLY REVERTED FLANGE OVERLYING ONE OF SAID EXTERNAL RADIAL FLANGES AND CLOSING ONE SIDE OF SAID RIM TO DEFINE A CIRCULAR RECEPTACLE, A CONCAVED CIRCULAR INNER WALL HAVING A REVERTED FLANGE OVERLYING THE OTHER OF SAID RADIAL FLANGES, AND HAVING A CENTRAL OPENING THEREIN, A CONCAVED COMPRESSIBLE RESILIENT PAD CONFORMING TO SAID INNER WALL, A SHEET OF RESILIENT MATERIAL OVERLYING SAID PAD AND SECURED THERETO, SAID PAD AND SHEETS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |