US2634665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-controlled shovel mount for cultivators
Assignee: Case LLC
•
Filing: 1946-09-09
•
Granted: 1953-04-14
•
Expires: 1966-09-09
Abstract
No abstract record available.
Inventors
- 👤 Emery C Redetzke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:06
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32271; Y10T403/60; Y10T403/602; Y10T403/604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE292129C
Cited
US198320A
Cited
US641996A
Cited
US848115A
Cited
US895351A
Cited
US1099304A
Cited
US1078871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |