US2482971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-illuminated transparent proctoscope
Assignee: Individual
•
Filing: 1947-07-11
•
Granted: 1949-09-27
•
Expires: 1967-07-11
Abstract
No abstract record available.
Inventors
- 👤 Golson Kelly Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/31; A61B1/06; A61B1/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1246340A
Cited
US2247258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |