US3450211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable set and flotational support for a tractor-mounted implement
Assignee: Ingersoll Equipment Co Inc
•
Filing: 1967-03-30
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Granted: 1969-06-17
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Expires: 1987-03-30
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Becker
- 👤 Andrew Blaauw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:02
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D2101/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20696; Y10T74/20702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US624729A
Cited
US1338195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |