US3528429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for orally admitting an elongated flexible element in the alimentary canal
Assignee: JAMES E BROWN JR
•
Filing: 1968-10-21
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Granted: 1970-09-15
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Expires: 1988-10-21
Abstract
No abstract record available.
Inventors
- 👤 Charles B Beal
- 👤 James E Brown Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:29
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0045; A61B2010/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE281869C
Cited
US110730A
Cited
US808690A
Cited
US2168867A
Cited
US2664879A
Cited
US2773502A
Cited
US2965101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |