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US3045394A
Expired / Lapsed
US
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Protection of plant life from frost damage
Assignee: Dumas Milner Corp
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Filing: 1959-03-09
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Granted: 1962-07-24
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Coulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:00
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/06; A01G13/065; C; C09; C09K; C09K17/00; C09K17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE METHOD OF PROTECTING LIVING PLANTS FROM FROST DAMAGE WHICH COMPRISES APPLYING TO THE PLANT A LIQUID FILM OF A POLYMER OF N-VINYL-2-PYRROLIDONE IN A NONPHYTOTOXIC CARRIER.
Claim 2
Independent Claim
27 words
THE METHOD OF PROTECTING LIVING PLANTS FROM FROST DAMAGE WHICH COMPRISES APPLYING TO THE PLANT A LIQUID FILM OF A POLYMER OF N-VINYL-2-PYRROLIDONE IN A NONPHYTOTOXIC CARRIER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |