US2941732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimensional indicator for inaccessible location
Assignee: Reserve Mining Co
•
Filing: 1958-02-12
•
Granted: 1960-06-21
•
Expires: 1978-02-12
Abstract
No abstract record available.
Inventors
- 👤 Carrol D Cross
- 👤 Ashland S Henderson
- 👤 John R Riede
- 👤 Robert R Reisinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:15
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066281A
Cited
US2293502A
Cited
US2408524A
Cited
US2457558A
Cited
US2578869A
Cited
US2743874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |