US3070845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pretensioned multiple span beam system
Assignee: Individual
•
Filing: 1960-02-29
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Granted: 1963-01-01
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 David B Cheskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/38; E04C3/40; E04C3/02; E04C3/04; E04C3/10; E04C3/11; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0417; E04C2003/0421; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A MULTIPLE BEAM SECTION SYSTEM PROVIDING TENSION IN THE TOP PORTIONS THEREOF AND RESULTING CAMBER, WHICH COMPRISES IN COMBINATION, AT LEAST TWO SEPARATE BEAM SECTIONS, MEANS SUPPORTING AND ALIGNING THE ENDS OF ADJACENT BEAM SECTION ONE WITH ANOTHER, MEANS ABUTING THE LOWER END PORTIONS OF BEAM SECTIONS, SEPARATE INDIVIDUAL SUPPORT AND ANCHORING MEANS AT THE OUTER EXTREMITIES OF THE OUTER BEAM SECTIONS OF THE MULTIPLE SECTION SYSTEM, AN END PLATE ATTACHED TO THE ABUTING END OF EACH BEAM AND SPACED APART UPPER PORTIONS OF THE ENDS OF ADJACENT BEAM SECTIONS, AND SEPARATE INDIVIDUALLY ADJUSTABLE TENSIONING MEANS CONNECTING WITH AND BETWEEN SAID SPACED UPPER PORTIONS OF SAID SECTIONS WHEREBY THE TIGHTENING OF LAST SAID MEANS INCORPORATES TENSION AND CHAMBER IN THE TOP PORTIONS OF SAID BEAM SECTIONS AND TIES SAID SECTIONS TOGETHER IN A CONTINUOUS SYSTEM.
Claim 2
Dependent Claim
135 words
A MULTIPLE BEAM SECTION SYSTEM PROVIDING TENSION IN THE TOP PORTIONS THEREOF AND RESULTING CAMBER, WHICH COMPRISES IN COMBINATION, AT LEAST TWO SEPARATE BEAM SECTIONS, MEANS SUPPORTING AND ALIGNING THE ENDS OF ADJACENT BEAM SECTION ONE WITH ANOTHER, MEANS ABUTING THE LOWER END PORTIONS OF BEAM SECTIONS, SEPARATE INDIVIDUAL SUPPORT AND ANCHORING MEANS AT THE OUTER EXTREMITIES OF THE OUTER BEAM SECTIONS OF THE MULTIPLE SECTION SYSTEM, AN END PLATE ATTACHED TO THE ABUTING END OF EACH BEAM AND SPACED APART UPPER PORTIONS OF THE ENDS OF ADJACENT BEAM SECTIONS, AND SEPARATE INDIVIDUALLY ADJUSTABLE TENSIONING MEANS CONNECTING WITH AND BETWEEN SAID SPACED UPPER PORTIONS OF SAID SECTIONS WHEREBY THE TIGHTENING OF LAST SAID MEANS INCORPORATES TENSION AND CHAMBER IN THE TOP PORTIONS OF SAID BEAM SECTIONS AND TIES SAID SECTIONS TOGETHER IN A CONTINUOUS SYSTEM.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |