US2930152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled shovel
Assignee: Individual
•
Filing: 1958-05-14
•
Granted: 1960-03-29
•
Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Royace H Pipkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:47
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/02; B; B62; B62B; B62B1/00; B62B1/10; B62B1/14; B62B1/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583384A
Cited
US1683732A
Cited
US2342436A
Cited
US2519146A
Cited
US2599354A
Cited
US2727751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |