US3516236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower blade
Assignee: Dayco Products LLC
•
Filing: 1968-11-25
•
Granted: 1970-06-23
•
Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Abraham L Freedlander
- 👤 Robert E Matthews
- 👤 Wayne C Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:37
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1686069A
Cited
US2621140A
Cited
US2473665A
Cited
US3133398A
Cited
US3156082A
Cited
US3320732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |