US3449108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting postharvest deterioration of harvested plants
Assignee: PPG Industries Inc
•
Filing: 1967-08-08
•
Granted: 1969-06-10
•
Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 William C Mcconnell
- 👤 Henry W Rahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:00
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/08; A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; C05; C05C; C05C11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1819399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |