US3113705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing apparatus with air operated follower
Assignee: McNeil Machine and Engineering Co
•
Filing: 1961-06-05
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Granted: 1963-12-10
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Weitzel George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:13
CPC Classifications
F; F16; F16N; F16N5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN APPARATUS FOR DISPENSING MATERIAL FROM A DRUM A FOLLOWER FOR PRESSURIZING MATERIAL IN THE DRUM, SAID FOLLOWER HAVING A PORT THEREIN, AIR-OPERATED MEANS FOR RAISING AND LOWERING THE FOLLOWER, AND MEANS RESPONSIVE TO RAISING THE FOLLOWER FOR DELIVERING AIR EXHAUSTING FROM SAID AIR-OPERATED MEANS DOWNWARD THROUGH SAID PORT INTO THE DRUM BELOW THE FOLLOWER.
Claim 2
Dependent Claim
55 words
IN APPARATUS FOR DISPENSING MATERIAL FROM A DRUM A FOLLOWER FOR PRESSURIZING MATERIAL IN THE DRUM, SAID FOLLOWER HAVING A PORT THEREIN, AIR-OPERATED MEANS FOR RAISING AND LOWERING THE FOLLOWER, AND MEANS RESPONSIVE TO RAISING THE FOLLOWER FOR DELIVERING AIR EXHAUSTING FROM SAID AIR-OPERATED MEANS DOWNWARD THROUGH SAID PORT INTO THE DRUM BELOW THE FOLLOWER.
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |