US2699629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing mulch for agricultural purposes
Assignee: Wilbro Corp
•
Filing: 1950-08-10
•
Granted: 1955-01-18
•
Expires: 1970-08-10
Abstract
No abstract record available.
Inventors
- 👤 Wandel Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:07
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/52; C05; C05F; C05F3/00; C05F9/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1832179A
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US2043265A
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US1931248A
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US2241734A
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DE717898C
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US2625471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |