Patent US3204871A successfully refreshed from Google Patents.
US3204871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pesticide dispensing means
Assignee: Corning Glass Works
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Filing: 1963-08-15
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Granted: 1965-09-07
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Alexander H Callander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:16
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
MEANS FOR DISPENSING PESTICIDES AND SIMILAR SUBSTANCES, SAID MEANS COMPRISING A HOLLOW CONTAINER HAVING THEREIN A LIQUID CAPABLE OF EVAPORATION INTO THE AMBIENT ATMOSPHERE, SAID CONTAINER COMPRISING AT LEAST IN PART A POROUS GLASS BODY HAVING AN INNER SURFACE IN CONTACT WITH SAID LIQUID AND AN OUTER SURFACE EXPOSED TO SAID ATOMS-
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |