US2828051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn tending cart
Assignee: Individual
•
Filing: 1954-07-15
•
Granted: 1958-03-25
•
Expires: 1974-07-15
Abstract
No abstract record available.
Inventors
- 👤 Puydt Frank A De
- 👤 Roger C Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:37
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/02; A01C7/08; A01C7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752190A
Cited
US1015969A
Cited
US1888821A
Cited
US2667286A
Cited
US2661125A
Cited
US2678145A
Cited
US2737317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |