US3094197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction element
Assignee: Individual
•
Filing: 1958-04-30
•
Granted: 1963-06-18
•
Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 Warren R Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:24
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/14; A47B96/1408; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/49627; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METALLIC STRUCTURAL ELEMENT COMPRISING A LOAD TRANSMITTING MEMBER HAVING AT LEAST ONE FLAT PORTION, A PLURALITY OF SPACED KNOCKOUTS DISPOSED IN THE PLANE OF SAID FLAT PORTION, SAID KNOCKOUTS PRESSING AGAINST THE ADJACENT METAL OF SAID MEMBER AT ALL TIMES AND PRODUCING STRESS IN THE METAL INTERMEDIATE SAID KNOCKOUTS.
Claim 2
Dependent Claim
50 words
A METALLIC STRUCTURAL ELEMENT COMPRISING A LOAD TRANSMITTING MEMBER HAVING AT LEAST ONE FLAT PORTION, A PLURALITY OF SPACED KNOCKOUTS DISPOSED IN THE PLANE OF SAID FLAT PORTION, SAID KNOCKOUTS PRESSING AGAINST THE ADJACENT METAL OF SAID MEMBER AT ALL TIMES AND PRODUCING STRESS IN THE METAL INTERMEDIATE SAID KNOCKOUTS.
References Cited (Backward Citations)
US1096548A
Cited
US1491325A
Cited
US1801006A
Cited
US2347411A
Cited
US2605868A
Cited
US2632533A
Cited
US2733786A
Cited
US2798284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |