US2599042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating apparatus
Assignee: Individual
•
Filing: 1947-12-30
•
Granted: 1952-06-03
•
Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Bannister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:02
CPC Classifications
E; E21; E21D; E21D9/00; E21C; E21C25/00; E21C25/60; E21D9/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE336247C
Cited
USRE19397E
Cited
US794877A
Cited
US825857A
Cited
US874603A
Cited
US873056A
Cited
US1276249A
Cited
US1201097A
Cited
US1465372A
Cited
US1467513A
Cited
US1569510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |