Patent US3422570A successfully refreshed from Google Patents.
US3422570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preventing the splitting of the calyx of flowers e.g. of carnations
Assignee: Individual
•
Filing: 1966-10-21
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Granted: 1969-01-21
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Herman Louis Vorst
- 👤 Gijsbertus Hendricus Borst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
A; A01; A01G; A01G5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1482; Y10T24/44; Y10T24/44248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US831086A
Cited
US1844024A
Cited
US2134242A
Cited
US2858830A
Cited
US3050905A
Cited
US3010256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |