US4114885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throwing disc
Assignee: Individual
•
Filing: 1976-12-10
•
Granted: 1978-09-19
•
Expires: 1996-12-10
Abstract
Abstract A throwing disc is made of foamed resilient synthetic materials having a density of about 20 grams per liter. The disc is circular and with the diameter being about six times the thickness, and the disc being of uniform thickness and density. The circumferential edge may be beveled.
Inventors
- 👤 Larry N. Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:51
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/18
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
33 words
A throwing disc comprising: a. a circular resilient disc of uniform thickness and density, b. the diameter being about six times the thickness, and c. the density being about 20 grams per liter.
Claim 2
Dependent Claim
33 words
A throwing disc comprising: a. a circular resilient disc of uniform thickness and density, b. the diameter being about six times the thickness, and c. the density being about 20 grams per liter.
Claim 3
Dependent Claim
22 words
The invention as defined in claim 1 wherein d. the diameter is about 31 cm and the thickness is about 5 cm.
Claim 4
Dependent Claim
22 words
The invention as defined in claim 1 with an additional limitation of d. the weight of the disc being about 70 grams.
Claim 5
Dependent Claim
19 words
The invention as defined in claim 1 wherein d. the circumference of the disc is beveled on both sides.
Claim 6
Dependent Claim
24 words
The invention as defined in claim 1 wherein d. the disc is beveled from both radial faces and there is a peripheral flat face.
Claim 7
Dependent Claim
25 words
The invention as defined in claim 5 wherein e. the bevel is about 45° and extends about 20 mm along the radial and peripheral face.
Claim 8
Dependent Claim
28 words
The invention as defined in claim 1 with an additional limitation of d. the disc is comprised of foamed polyurethane, known in the trade as "2 pound" foam.
Claim 9
Dependent Claim
21 words
The invention as defined in claim 1 with an additional limitation of d. the disc is comprised of foamed synthetic material.
Claim 10
Dependent Claim
19 words
The invention as defined in claim 8 wherein e. the circumference of the disc is beveled on both sides.
Claim 11
Dependent Claim
22 words
The invention as defined in claim 9 with an additional limitation of f. the weight of the disc being about 70 grams.
Claim 12
Dependent Claim
18 words
The invention as defined in claim 10 wherein g. there is a peripheral flate face between the bevels.
Claim 13
Dependent Claim
22 words
The invention as defined in claim 11 wherein h. the diameter is about 31 cm and the thickness is about 5 cm.
Claim 14
Dependent Claim
26 words
The invention as defined in claim 12 wherein j. the bevel is at about 45° and extends about 20 mm along the radial and peripheral face.
Claim 15
Dependent Claim
33 words
The invention as defined in claim 13 with an additional limitation of k. the synthetic material is polyurethane, known in the trade as "2 pound" foam having an ILD of 32 to 35.
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) | 1981-09-18 | 1982-03-20 | 1982-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-18 | 1986-03-20 | 1986-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-18 | 1990-03-20 | 1990-09-19 | $7700.00 | Window Closed / Lapsed |