US3281000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure apparatus
Assignee: Individual
•
Filing: 1964-08-17
•
Granted: 1966-10-25
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lowen Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:36
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0407; B65D41/0428; B65D51/00; B65D51/24; Y; Y10; Y10S; Y10S215/00; Y10S215/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN COMBINATION WITH A CONTAINER COMPRISING A NECK HAVING A PLURALITY OF RADIALLY SPACED SEALING SURFACES, AND DEFINING A MOUTH FOR PROVIDING INGRESS THERETO AND EGRESS THEREFROM, THE IMPROVEMENT COMPRISING CLOSURE APPARATUS REMOVABLY ENGAGED WITH THE NECK OF SAID CONTAINER FOR ENCLOSING SAID MOUTH, AND COMPRISING A SEALING ASSEMBLY HAVING A PLURALITY OF FLEXIBLE MEMBRANES CONNECTED TO ONE ANOTHER; SAID MEMBRANES, IN SAID POSITION IN WHICH THE CLOSURE ASSEMBLY IS REMOVABLY ENGAGED WITH SAID NECK, BEING DISPOSED IN A STRESSED POSITION IN WHICH ONE OF SAID MEMBRANES FIRMLY SEALINGLY ENGAGES ONE OF SAID SEALING SURFACES, AND AN OTHER OF SAID MEMBRANES SEQUENTIALLY FIRMLY SEALINGLY ENGAGES AN OTHER OF SAID SEALING SURFACES; SAID MEMBRANES, IN THEIR STRESSED POSITION OF FIRM SEALING ENGAGEMENT WITH SAID SEALING SURFACES, DEFINING A GROOVE OF GENERALLY TRIANGULAR CONFIGURATION; SAID MEMBRANES HAVING AN UNSTRESSED POSITION IN WHICH SAID OTHER MEMBRANE IS DISPOSED IN A GENERALLY HORIZONTAL PLANE, AND SAID ONE MEMBRANE IS DISPOSED IN A PLANE EXTENDING ANGULARLY AND DOWNWARDLY FROM SAID HORIZONTAL
Claim 2
Dependent Claim
166 words
IN COMBINATION WITH A CONTAINER COMPRISING A NECK HAVING A PLURALITY OF RADIALLY SPACED SEALING SURFACES, AND DEFINING A MOUTH FOR PROVIDING INGRESS THERETO AND EGRESS THEREFROM, THE IMPROVEMENT COMPRISING CLOSURE APPARATUS REMOVABLY ENGAGED WITH THE NECK OF SAID CONTAINER FOR ENCLOSING SAID MOUTH, AND COMPRISING A SEALING ASSEMBLY HAVING A PLURALITY OF FLEXIBLE MEMBRANES CONNECTED TO ONE ANOTHER; SAID MEMBRANES, IN SAID POSITION IN WHICH THE CLOSURE ASSEMBLY IS REMOVABLY ENGAGED WITH SAID NECK, BEING DISPOSED IN A STRESSED POSITION IN WHICH ONE OF SAID MEMBRANES FIRMLY SEALINGLY ENGAGES ONE OF SAID SEALING SURFACES, AND AN OTHER OF SAID MEMBRANES SEQUENTIALLY FIRMLY SEALINGLY ENGAGES AN OTHER OF SAID SEALING SURFACES; SAID MEMBRANES, IN THEIR STRESSED POSITION OF FIRM SEALING ENGAGEMENT WITH SAID SEALING SURFACES, DEFINING A GROOVE OF GENERALLY TRIANGULAR CONFIGURATION; SAID MEMBRANES HAVING AN UNSTRESSED POSITION IN WHICH SAID OTHER MEMBRANE IS DISPOSED IN A GENERALLY HORIZONTAL PLANE, AND SAID ONE MEMBRANE IS DISPOSED IN A PLANE EXTENDING ANGULARLY AND DOWNWARDLY FROM SAID HORIZONTAL
References Cited (Backward Citations)
CA636811A
Cited
US2689665A
Cited
US2716504A
Cited
FR1153553A
Cited
US2914206A
Cited
US2953272A
Cited
DE1069486B
Cited
US3053407A
Cited
US3025988A
Cited
US3059798A
Cited
US3107022A
Cited
US3160303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |