Patent US1160184A successfully refreshed from Google Patents.
Patent US2145152A successfully refreshed from Google Patents.
US2145152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grave cribber
Assignee: Individual
•
Filing: 1937-05-07
•
Granted: 1939-01-24
•
Expires: 1957-05-07
Abstract
No abstract record available.
Inventors
- 👤 John E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:18
CPC Classifications
E; E04; E04H; E04H13/00; E04H13/001
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-01-23 | 1942-07-25 | 1943-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-23 | 1946-07-25 | 1947-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-23 | 1950-07-25 | 1951-01-24 | $7700.00 | Window Closed / Lapsed |