US3283464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Honeycomb girders and method for making same
Assignee: Individual
•
Filing: 1964-10-19
•
Granted: 1966-11-08
•
Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Litzka Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:53
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/083; E04C3/086; B; B21; B21D; B21D47/00; B21D47/04; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/043; E04C2003/0434; E04C2003/0443; E04C2003/0452; E04C2003/0469; E04C2003/0473; E04C2003/0478; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HONEYCOMB GIRDER COMPRISING A PAIR OF GIRDER SECTIONS EACH HAVING AN UNDULATING WEB PORTION OF GENERALLY TOOTHED CONFIGURATION WITH RESPECTIVE LONGITUDINALLY OFFSET PROJECTIONS EXTENDING IN THE DIRECTION OF THE OTHER GIRDER SECTION, SAID WEB PORTIONS BEING COPLANAR AND SPACED APART, AT LEAST ALONG A PORTION OF THE LENGTHS OF SAID SECTIONS WITH SOME OF THE JUXTAPOSED PROJECTIONS BEING SEPARATED FROM ONE ANOTHER BY A DISTANCE GREATER THAN THAT BETWEEN OTHERS OF SAID PROJECTIONS, AND INDIVIDUAL SPACER PLATES OF PROGRESSIVELY VARYINGS WIDTH DISPOSED BETWEEN AND WELDED TO RESPECTIVE PAIRS OF SPACED JUXTAPOSED PROJECTIONS, ONE OF SAID SECTIONS DIVERGING FROM SAID OTHER OF SAID SECTIONS ONLY ALONG A LIMITED PORTION OF THE LENGTH OF SAID SECTION AND ONLY AT AN EXTREMITY OF THE HONEYCOMBED GIRDER.
Claim 2
Dependent Claim
124 words
A HONEYCOMB GIRDER COMPRISING A PAIR OF GIRDER SECTIONS EACH HAVING AN UNDULATING WEB PORTION OF GENERALLY TOOTHED CONFIGURATION WITH RESPECTIVE LONGITUDINALLY OFFSET PROJECTIONS EXTENDING IN THE DIRECTION OF THE OTHER GIRDER SECTION, SAID WEB PORTIONS BEING COPLANAR AND SPACED APART, AT LEAST ALONG A PORTION OF THE LENGTHS OF SAID SECTIONS WITH SOME OF THE JUXTAPOSED PROJECTIONS BEING SEPARATED FROM ONE ANOTHER BY A DISTANCE GREATER THAN THAT BETWEEN OTHERS OF SAID PROJECTIONS, AND INDIVIDUAL SPACER PLATES OF PROGRESSIVELY VARYINGS WIDTH DISPOSED BETWEEN AND WELDED TO RESPECTIVE PAIRS OF SPACED JUXTAPOSED PROJECTIONS, ONE OF SAID SECTIONS DIVERGING FROM SAID OTHER OF SAID SECTIONS ONLY ALONG A LIMITED PORTION OF THE LENGTH OF SAID SECTION AND ONLY AT AN EXTREMITY OF THE HONEYCOMBED GIRDER.
References Cited (Backward Citations)
US1741423A
Cited
US1644940A
Cited
FR706311A
Cited
GB498281A
Cited
GB638689A
Cited
DE860340C
Cited
GB680022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |