US3452823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn care apparatus
Assignee: EARL P SHAPLAND JR
•
Filing: 1965-06-21
•
Granted: 1969-07-01
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Earl P Shapland Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
A; A01; A01B; A01B45/00; A01B45/02; A01B45/026; B; B62; B62D; B62D51/00; B62D51/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |