US3886940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule
Assignee: ER Squibb and Sons LLC
•
Filing: 1971-06-08
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Granted: 1975-06-03
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Expires: 1991-06-08
Abstract
Abstract A two piece capsule comprising a first, tubular open ended half and a second tubular open ended half in which the side wall is folded over externally on itself to form an annular outer wall, the closed end of the second half being inserted into the open end of the first half, is particularly suitable for intravaginal use.
Inventors
- 👤 Gerd Hunger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:43
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; A61J3/071
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
62 words
A two piece capsule comprising a first tubular half open at one end and a second tubular half open at one end, the side wall of said second half being folded over externally on itself at the open end, the second half fitting telescopically, closed end forward, into said first half and forming a chamber between the closed ends of said halves.
Claim 2
Dependent Claim
62 words
A two piece capsule comprising a first tubular half open at one end and a second tubular half open at one end, the side wall of said second half being folded over externally on itself at the open end, the second half fitting telescopically, closed end forward, into said first half and forming a chamber between the closed ends of said halves.
Claim 3
Dependent Claim
62 words
A two piece capsule comprising a first tubular half open at one end and a second tubular half open at one end, the side wall of said second half being folded over externally on itself at the open end, the second half fitting telescopically, closed end forward, into said first half and forming a chamber between the closed ends of said halves.
Claim 4
Dependent Claim
62 words
A two piece capsule comprising a first tubular half open at one end and a second tubular half open at one end, the side wall of said second half being folded over externally on itself at the open end, the second half fitting telescopically, closed end forward, into said first half and forming a chamber between the closed ends of said halves.
Claim 5
Dependent Claim
30 words
A capsule as in claim 1 wherein the externally folded portion of the side wall extends about one-fourth to three-fourths of the length of the second half of the capsule.
Claim 6
Dependent Claim
20 words
A capsule as in claim 1 wherein the externally folded portion of the side wall extends beyond said closed end.
Claim 7
Dependent Claim
32 words
A capsule as in claim 1 wherein a part of the externally folded portion of the side wall of the second half extends into the first half to form a tight closure.
Claim 8
Dependent Claim
41 words
A capsule as in claim 1 wherein the rim of the externally folded portion of the side wall of the second half abuts the rim of the first half of the capsule in the closed position to form a tight closure.
Claim 9
Dependent Claim
22 words
A capsule as in claim 4 wherein a medicament is contained within the space formed between the two halves of the capsule.
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) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |