US4027658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument for taking samples
Assignee: Individual
•
Filing: 1975-12-01
•
Granted: 1977-06-07
•
Expires: 1995-12-01
Abstract
Abstract An instrument for taking samples from minute channels in the human body comprises a stem, a head and a handle integrally formed of plastic material. The stem is flexible and may be easily cut. The head has a rounded end and defines grooves therein for accepting samples.
Inventors
- 👤 Manly Ernest Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:44
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
104 words
An instrument for taking samples comprising a stem, a head, and a handle wherein said stem, head, and handle are formed of a single polymer material in a solid unitary construction, said head and handle being formed at opposed ends of said stem, said stem is of a substantially constant diameter, said stem is of a diameter such that it is flexible, said head and handle are of diameters larger than said stem such that they are relatively inflexible, said head is cylindrical and of a substantially constant diameter of less than 6 millimeters, and said head has grooves formed therein for accepting samples.
Claim 2
Dependent Claim
104 words
An instrument for taking samples comprising a stem, a head, and a handle wherein said stem, head, and handle are formed of a single polymer material in a solid unitary construction, said head and handle being formed at opposed ends of said stem, said stem is of a substantially constant diameter, said stem is of a diameter such that it is flexible, said head and handle are of diameters larger than said stem such that they are relatively inflexible, said head is cylindrical and of a substantially constant diameter of less than 6 millimeters, and said head has grooves formed therein for accepting samples.
Claim 3
Dependent Claim
22 words
The instrument for taking samples of claim 1 wherein the ratio of head diameter to stem diameter is approximately 3 to 1.
Claim 4
Dependent Claim
16 words
The instrument for taking samples of claim 2 wherein said head diameter is about three millimeters.
Claim 5
Dependent Claim
16 words
The instrument for taking samples of claim 1 wherein the end of said head is rounded.
Claim 6
Dependent Claim
18 words
The instrument for taking samples of claim 1 wherein the diameter of said head is about 3 millimeters.
Claim 7
Dependent Claim
18 words
The instrument for taking samples of claim 5 wherein the depth of said grooves is about 0.5 millimeters.
Claim 8
Dependent Claim
18 words
The instrument for taking samples of claim 5 wherein the length of said head is about 1 centimeter.
Claim 9
Dependent Claim
20 words
The instrument for taking samples of claim 1 wherein said grooves include a plurality of circumferential grooves and longitudinal grooves.
Claim 10
Dependent Claim
18 words
The instrument for taking samples of claim 8 wherein the depth of said grooves is about 0.5 millimeters.
References Cited (Backward Citations)
US2514665A
Cited
US2955591A
Cited
US2835246A
Cited
US3308825A
Cited
US3388043A
Cited
US3828765A
Cited
US3815580A
Cited
US3838681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-06 | 1980-12-06 | 1981-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-06 | 1984-12-06 | 1985-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-06 | 1988-12-06 | 1989-06-07 | $7700.00 | Window Closed / Lapsed |