Patent US3584760A successfully refreshed from Google Patents.
US3584760A
Expired / Lapsed
US
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Safety caps for containers
Assignee: Individual
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Filing: 1969-07-22
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Granted: 1971-06-15
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Expires: 1989-07-22
Abstract
Abstract A safety cap assembly for containers of fluids with danger potential, including a cap with thumb piece lift normally blocked by a shoulder immediately thereunder, and an annular rim blocking frontal access, with means for manual temporary removal of said blockades.
Inventors
- 👤 William A Grinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:12
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045; B65D47/00; B65D47/04; B65D47/06; B65D47/12; B65D47/14; B65D47/147; B65D47/148
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
A safety cap assembly of resilient construction including a base having an integral neck, a cap for said neck, a tie element connecting the base and said cap, a ring element freely rotatable surmounting said base, a circular shoulder and upstanding flange on the ring element normally blocking manual access to said cap, said ring element having a notch through the shoulder and the flange thereof, and spring means for returning the notched portion of said ring to a nonaccess position relative to said cap.
Claim 2
Dependent Claim
85 words
A safety cap assembly of resilient construction including a base having an integral neck, a cap for said neck, a tie element connecting the base and said cap, a ring element freely rotatable surmounting said base, a circular shoulder and upstanding flange on the ring element normally blocking manual access to said cap, said ring element having a notch through the shoulder and the flange thereof, and spring means for returning the notched portion of said ring to a nonaccess position relative to said cap.
Claim 3
Dependent Claim
69 words
A safety cap assembly as in claim 1, and a half round groove in the underside of the rotatable ring element registering with and facing a half-round groove in the base portion, both grooves being half a circle in length, a coil spring normally held within the grooves from end to end which when compressed will turn the ring element to normal position blocking manual access to the cap.
References Cited (Backward Citations)
US3393816A
Cited
US3458084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |