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US3372020A
Expired / Lapsed
US
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Process for maintaining the growth of plants
Assignee: Velsicol Chemical LLC
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Filing: 1966-11-07
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Granted: 1968-03-05
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Regenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:03
CPC Classifications
C; C09; C09D; C09D157/00; C09D157/02; B; B01; B01J; B01J2/00; B01J2/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT212628B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |