US3042044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seamless extruded plastic rectal tubes
Assignee: Individual
•
Filing: 1958-07-02
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Granted: 1962-07-03
•
Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 David S Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:09
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0021; A61M25/0067; A61M25/0068; A61M25/007
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |