US3195686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorbent structure
Assignee: Individual
•
Filing: 1964-02-27
•
Granted: 1965-07-20
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Richard M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/121; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/1241; Y10T428/12417; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A DEVICE FOR ABSORBING ENERGY ON IMPACT COMPRISING A PLURALITY OF UNIFORM HOLLOW SPHERES, LAYERS OF FLAT MATERIAL HAVING HOLES THEREIN, SAID HOLES BEING ARRANGED IN A GEOMETRIC PATTERN TO HOLD SAID SPHERES IN A SANDWICHED RELATION SO THAT EACH OF SAID SPHERES IN A LAYER OF SPHERES NOT IN THE OUTER PERIPHERY OF SAID DEVICE IS IN CONTACT WITH EIGHT OTHER SPHERES IN ADJACENT LAYERS OF SPHERES.
Claim 2
Independent Claim
68 words
A DEVICE FOR ABSORBING ENERGY ON IMPACT COMPRISING A PLURALITY OF UNIFORM HOLLOW SPHERES, LAYERS OF FLAT MATERIAL HAVING HOLES THEREIN, SAID HOLES BEING ARRANGED IN A GEOMETRIC PATTERN TO HOLD SAID SPHERES IN A SANDWICHED RELATION SO THAT EACH OF SAID SPHERES IN A LAYER OF SPHERES NOT IN THE OUTER PERIPHERY OF SAID DEVICE IS IN CONTACT WITH EIGHT OTHER SPHERES IN ADJACENT LAYERS OF SPHERES.
References Cited (Backward Citations)
US2998214A
Cited
US3077979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |