Patent US2748535A successfully refreshed from Google Patents.
US2748535A
Expired / Lapsed
US
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Trash mulch seed bed machine
Assignee: Pineapple Research Inst of Hawaii
•
Filing: 1951-10-25
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Granted: 1956-06-05
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Expires: 1971-10-25
Abstract
No abstract record available.
Inventors
- 👤 Arnold B Skromme
- 👤 Eugene G Mckibben
- 👤 Elwood R Craddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:47
CPC Classifications
A; A01; A01B; A01B49/00; A01B49/04; Y; Y10; Y10S; Y10S111/00; Y10S111/906; Y10S111/912
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |