US3473302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor drawn multiple section foldable mower
Assignee: HAMBY COMPANY
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Filing: 1967-04-14
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Granted: 1969-10-21
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick Clay Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:50
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/30; A01D75/303; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661
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) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |