US3638355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whistle for moving through air
Assignee: Individual
•
Filing: 1970-12-14
•
Granted: 1972-02-01
•
Expires: 1990-12-14
Abstract
Abstract A air whistle which includes spaced annular plates, a tubular wall connecting the plates and surrounding openings in the plates, and a tubular stem mounted on one of the plates surrounding the opening thereof and extending outwardly thereof. When the whistle is drawn through the air, stem first, it emits a piercing sound.
Inventors
- 👤 Carl E Stoecklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:57
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/40
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
48 words
An air whistle which comprises a pair of spaced annular plates in parallel relationship, a tubular wall connecting the plates surrounding and spaced outwardly of coaxial openings in the plates, and a tubular stem mounted on one of the plates surrounding the opening thereof and extending outwardly thereof.
Claim 2
Dependent Claim
48 words
An air whistle which comprises a pair of spaced annular plates in parallel relationship, a tubular wall connecting the plates surrounding and spaced outwardly of coaxial openings in the plates, and a tubular stem mounted on one of the plates surrounding the opening thereof and extending outwardly thereof.
Claim 3
Dependent Claim
35 words
An air whistle as in claim 1 wherein the diameter of the stem is from approximately one-half inch to approximately three-fourths inch and the length of the stem is approximately one-fourth inch to 1 inch.
Claim 4
Dependent Claim
22 words
An air whistle as in claim 2 wherein the diameter of the plate openings is approximately one-half the diameter of the stem.
Claim 5
Dependent Claim
16 words
An air whistle as in claim 3 wherein the plate openings are aligned with the stem.
Claim 6
Dependent Claim
47 words
An air whistle as in claim 1 wherein the diameter of the stem is approximately one-half inch, the diameter of the plate openings is approximately one-fourth inch, the plates are parallel and spaced approximately three-sixteenths inch, and the diameter of the wall is approximately 1 1/8 inch.
Claim 7
Dependent Claim
62 words
An air whistle as in claim 1 wherein a mounting block is attached to the stem, a mounting stud is mounted in the block, and the stud extends into and is mounted on a vane of a windmill, whereby, when the windmill is turned by air passing the windmill, the air is directed along the stem to cause the whistle to sound.
Claim 8
Dependent Claim
62 words
An air whistle as in claim 5 wherein a mounting block is attached to the stem, a mounting stud is mounted in the block, and the stud extends into and is mounted on a vane of a windmill, whereby, when the windmill is turned by air passing the windmill, the air is directed along the stem to cause the whistle to sound.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |