US3304913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receptacle closure
Assignee: Air Control Inc
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Filing: 1965-07-26
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Granted: 1967-02-21
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Alexander G Nesher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:12
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/02; A01K1/03; A01K1/031; A01K1/0313
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
FOR USE WITH A RECEPTACLE FOR HOUSING VIRULIFEROUS ANIMALS, SAID RECEPTACLE HAVING BOTTOM AND SIDE WALL PORTIONS AND A MOUTH COMPRISING THE ONLY ACCESS TO THE INTERIOR OF SAID RECEPTACLE; A CLOSURE DEVICE FOR THE MOUTH OF SUCH A RECEPTACLE COMPRISING A FILTER MEMBER OF SIZE GREATER THAN THE RECEPTACLE MOUTH SO AS TO EXTEND OVER THE EDGE OF THE MOUTH, AND THE CLOSURE DEVICE FURTHER COMPRISING A FORAMINOUS COVER PLATE OVERLYING THE FILTER, MEANS ADAPTED TO SECURE THE COVER DEVICE TO THE RECEPTACLE WITH THE FILTER MEMBER CLAMPED BETWEEN THE COVER PLATE AND THE EDGE OF THE MOUTH, SAID PLATE HAVING AN IMPERFORATE AREA, A TUBE EXTENDING THROUGH SAID IMPERFORATE AREA AND THROUGH SAID FILTER FOR SUPPLYING LIQUID TO THE INTERIOR OF THE RECEPTACLE, AND MEANS PROVIDING AN AIR-TIGHT SEAL BETWEEN THE TUBE AND THE SURROUNDING IMPERFORATE AREA.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |