US3335892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam plastic cap
Assignee: Hercules LLC
•
Filing: 1966-05-25
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Granted: 1967-08-15
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Expires: 1986-05-25
Abstract
No abstract record available.
Inventors
- 👤 Hildreth Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:13
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/16; B65D41/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A CLOSURE COMPRISING A CENTRAL PORTION AND A SIDE FLANGE EXTENDING IN ONE DIRECTION FROM THE PERIPHERY OF SAID CENTRAL PORTION, SAID SIDE FLANGE HAVING MEANS FOR RELEASABLY SECURING THE CLOSURE TO AN OPENING OF A CONTAINER, AND SAID CENTRAL PORTION COMPRISING TWO WALLS INCLUDING AN OUTER WALL AND AN INNER WALL THAT ARE SECURED TOGETHER AT THEIR PERIPHERY AND ARE SPACED APART BY A
Claim 2
Dependent Claim
65 words
A CLOSURE COMPRISING A CENTRAL PORTION AND A SIDE FLANGE EXTENDING IN ONE DIRECTION FROM THE PERIPHERY OF SAID CENTRAL PORTION, SAID SIDE FLANGE HAVING MEANS FOR RELEASABLY SECURING THE CLOSURE TO AN OPENING OF A CONTAINER, AND SAID CENTRAL PORTION COMPRISING TWO WALLS INCLUDING AN OUTER WALL AND AN INNER WALL THAT ARE SECURED TOGETHER AT THEIR PERIPHERY AND ARE SPACED APART BY A
References Cited (Backward Citations)
GB895512A
Cited
US3281000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |