US3608238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant culture
Assignee: ELISE ERIKA REUTER
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Filing: 1969-01-27
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Granted: 1971-09-28
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Expires: 1989-01-27
Abstract
Abstract THE PLANTS ARE EMBEDDED IN A POLYURETHANE FOAMABLE MATRIX FOAMING A POLYURETHANE REACTION MIXTURE ABOUT THE ROOTS OF THE PLANT.
Inventors
- 👤 Franz Gottfried Reuter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:52
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/4833; C08G18/4837; A; A01; A01G; A01G24/00; A01G24/20; A01G24/28; A01G24/30; A01G24/40; A01G24/48; C08G2110/00; C08G2110/0025; C08G2110/0041; C08G2110/005; C08G2110/0083; C08G2310/00
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |