US3087638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure assembly
Assignee: Abbott Laboratories
•
Filing: 1961-12-15
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Granted: 1963-04-30
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Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Loper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:48
CPC Classifications
B; B65; B65D; B65D39/00; B65D25/00; B65D25/02; B65D25/04; B65D25/08; B65D25/082; B65D51/00; B65D51/002; Y; Y10; Y10S; Y10S215/00; Y10S215/03; Y10S215/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A CLOSURE ASSEMBLY FOR A CONTAINER HAVING A TUBULAR NECK, COMPRISING: A PISTON PLUG HAVING A PISTON PORTION SLIDABLY FITTED IN SAID TUBULAR NECK AND AN ENLARGED HEAD PORTION, A RING HAVING A CENTRAL HOLE WHICH RECEIVES SAID PISTON PLUG, AND MEANS ON SAID RING PROJECTABLE INTO THE UNDERSIDE OF SAID ENLARGED HEAD PORTION FOR RESTRAINING SAID ENLARGED HEAD PORTION FROM PASSING THROUGH SAID CENTRAL HOLE INTO SAID TUBULAR NECK.
Claim 2
Dependent Claim
70 words
A CLOSURE ASSEMBLY FOR A CONTAINER HAVING A TUBULAR NECK, COMPRISING: A PISTON PLUG HAVING A PISTON PORTION SLIDABLY FITTED IN SAID TUBULAR NECK AND AN ENLARGED HEAD PORTION, A RING HAVING A CENTRAL HOLE WHICH RECEIVES SAID PISTON PLUG, AND MEANS ON SAID RING PROJECTABLE INTO THE UNDERSIDE OF SAID ENLARGED HEAD PORTION FOR RESTRAINING SAID ENLARGED HEAD PORTION FROM PASSING THROUGH SAID CENTRAL HOLE INTO SAID TUBULAR NECK.
References Cited (Backward Citations)
US2869745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |