Patent US3097916A successfully refreshed from Google Patents.
US3097916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumigation of grain
Assignee: Ferguson Fumigants Inc
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Filing: 1961-10-05
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Granted: 1963-07-16
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Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Dawson Joseph Carl
- 👤 Raymond P Millard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:23
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A METHOD OF FUMIGATING GRAIN IN STORAGE IN A GRAIN STORAGE STUCTURE WHICH HAS AN OPENING AT THE TOP AND AN AIR DUCT AT THE BOTTOM HAVING A CONNECTION WITH A FAN OUTSIDE THE STRUCTURE ADAPTED TO CAUSE MOVEMENT OF AIR VERTICALLY THROUGH THE GRAIN, COMPRISING THE STEPS OF APPLYING AN AIR-TIGHT BONNET OF FLEXIBLE SHEET MATERIAL IN SUBSTANTIALLY AIR-TIGHT MANNER TO THE STRUCTURE AT SAID TOP OPENING, SAID BONNET HAVING AN OPENING FOR FLOW OF AIR, APPLYING AN AIR-TIGHT PLENUM CHAMBER OF FLEXIBLE SHEET MATERIAL IN SUBSTANTIALLY AIR-TIGHT MANNER TO THE FAN, SAID PLENUM CHAMBER HAVING AN OPENING FOR FLOW OF AIR, CONNECTING A LENGTH OF AIR-TIGHT FLEXIBLE TUBING BETWEEN THE PLENUM CHAMBER AND THE BONNET OPENINGS, OPERATING SAID FAN TO CIRCULATE AIR THROUGH THE GRAIN, INTRODUCING FUMIGANT INTO TH AIR, AND MAINTAINING THE CIRCULATION OF THE AIR FOR A PERIOD OF TIME SUCH AS TO DISTRUBUTE THE FUMIGANT SUBSTANTIALLY EVENLY THROUGHOUT THE GRAIN.
Claim 2
Independent Claim
155 words
A METHOD OF FUMIGATING GRAIN IN STORAGE IN A GRAIN STORAGE STUCTURE WHICH HAS AN OPENING AT THE TOP AND AN AIR DUCT AT THE BOTTOM HAVING A CONNECTION WITH A FAN OUTSIDE THE STRUCTURE ADAPTED TO CAUSE MOVEMENT OF AIR VERTICALLY THROUGH THE GRAIN, COMPRISING THE STEPS OF APPLYING AN AIR-TIGHT BONNET OF FLEXIBLE SHEET MATERIAL IN SUBSTANTIALLY AIR-TIGHT MANNER TO THE STRUCTURE AT SAID TOP OPENING, SAID BONNET HAVING AN OPENING FOR FLOW OF AIR, APPLYING AN AIR-TIGHT PLENUM CHAMBER OF FLEXIBLE SHEET MATERIAL IN SUBSTANTIALLY AIR-TIGHT MANNER TO THE FAN, SAID PLENUM CHAMBER HAVING AN OPENING FOR FLOW OF AIR, CONNECTING A LENGTH OF AIR-TIGHT FLEXIBLE TUBING BETWEEN THE PLENUM CHAMBER AND THE BONNET OPENINGS, OPERATING SAID FAN TO CIRCULATE AIR THROUGH THE GRAIN, INTRODUCING FUMIGANT INTO TH AIR, AND MAINTAINING THE CIRCULATION OF THE AIR FOR A PERIOD OF TIME SUCH AS TO DISTRUBUTE THE FUMIGANT SUBSTANTIALLY EVENLY THROUGHOUT THE GRAIN.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |