Patent US3371808A successfully refreshed from Google Patents.
US3371808A
Expired / Lapsed
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Unitary safety cap
Assignee: EVERT D VELT
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Filing: 1966-08-01
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Granted: 1968-03-05
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Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Evert D Velt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:56
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045; B65D50/048
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
IN COMBINATION, A UNITARY SAFETY BOTTLE CAP AND A BOTTLE HAVING A NECK PROVIDED WITH AN OPENING; SAID CAP COMPRISING A CYLINDRICAL SIDE WALL AND AN END WALL; SAID END WALL INTERNALLY OF SAID SIDE WALL HAVING A CYLINDRICAL STOPPER; SAID STOPPER HAVING AN END DISPOSED IN SAID BOTTLE AND PROVIDED WITH RESILIENTLY INWARDLY DEFORMABLE NORMALLY OUTWARDLY PROJECTING PORTIONS; SAID BOTTLE HAVING INTERNALLY THEREOF A SHOULDER; SAID RESILIENTLY DEFORMABLE PORTIONS OF SAID STOPPER BEING IN ENGAGEMENT WITH SAID SHOULDER; SAID END WALL HAVING AN UNDERSURFACE AND SAID BOTTLE NECK HAVING AN END SURFACE DISPOSED IN COOPERATIVE SEALING ENGAGEMENT; MEANS RENDERING AT LEAST A PORTION OF SAID SIDE WALL RADIALLY INWARDLY AND RESILIENTLY DEFORMABLE; AND COOPERATIVE MEANS INTERNALLY OF SAID SIDE WALL AND EXTERNALLY OF SAID NECK INCLUDING A THREAD AND MEANS COENGAGEABLE WITH SAID THREAD FOR IMPOSING ON SAID STOPPER A FORCE TENDING TO WITHDRAW THE SAME FROM SAID NECK RESPONSIVE TO INWARD DEFORMATION OF SAID PORTION OF SAID
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |