US2872831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt drive for multiple spindle tractor attachments
Assignee: Fiatallis North America Inc
•
Filing: 1958-01-02
•
Granted: 1959-02-10
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Mervel E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:40
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/76; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088; Y10T74/19102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1302222A
Cited
GB420359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |