US3299191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for erecting bridges
Assignee: Polensky and Zollner
•
Filing: 1963-12-17
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Granted: 1967-01-17
•
Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Mantscheff Alexander
- 👤 Wittfoht Hans
- 👤 Ochsenbauer Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:17
CPC Classifications
E; E01; E01D; E01D21/00; E01D21/10; E01D21/105; E01D2101/00; E01D2101/20; E01D2101/24; E01D2101/26; E01D2101/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A METHOD OF ERECTING MULTISPAN BRIDGES INCLUDING ONE AND ANOTHER SPACED SUPPORT, AT LEAST SAID ONE SUPPORT BEING LOCATED INTERMEDIATE THE ENDS OF THE BRIDGE TO BE ERECTED, THE STEPS OF BUILDING A PORTION OF A FIRST SPAN EXTENDING FROM SAID OTHER SUPPORT TOWARD SAID ONE SUPPORT; SHIFTING FROM SAID OTHER SUPPORT ONTO SAID ONE SUPPORT AN ELONGATED DOUBLE-ARMD TEMPORARY STAGING ONE ARM OF WHICH BRIDGES THE GAP BETWEEN SAID ONE SUPPORT AND SAID BUILT PORTION OF THE FIRST SPAN AND THE OTHER ARM OF WHICH FORMS A CANTILEVER EXTENDING BEYOND SAID ONE SUPPORT IN A DIRECTION AWAY FROM SAID OTHER SUPPORT WHEREBY THE STAGING ENABLES THE CREW TO WORK ON OPPOSITE SIDES OF SAID ONE SUPPORT; BUILDING THE REMAINDER OF SAID FIRST SPAN BY WORKING ON SAID STAGING FROM SAID ONE SUPPORT TOWARD SAID OTHER SUPPORT; BUILDING A PORTION OF A SECOND SPAN BY WORKING ON SAID STAGING FROM SAID ONE SUPPORT IN A DIRECTION AWAY FROM SAID OTHER SUPPORT; AND REPEATING SAID STEPS-WITH THE EXCEPTION OF THE FIRST ONETOWARDS AT LEAST ONE ADDITIONAL SUPPORT.
Claim 2
Dependent Claim
177 words
IN A METHOD OF ERECTING MULTISPAN BRIDGES INCLUDING ONE AND ANOTHER SPACED SUPPORT, AT LEAST SAID ONE SUPPORT BEING LOCATED INTERMEDIATE THE ENDS OF THE BRIDGE TO BE ERECTED, THE STEPS OF BUILDING A PORTION OF A FIRST SPAN EXTENDING FROM SAID OTHER SUPPORT TOWARD SAID ONE SUPPORT; SHIFTING FROM SAID OTHER SUPPORT ONTO SAID ONE SUPPORT AN ELONGATED DOUBLE-ARMD TEMPORARY STAGING ONE ARM OF WHICH BRIDGES THE GAP BETWEEN SAID ONE SUPPORT AND SAID BUILT PORTION OF THE FIRST SPAN AND THE OTHER ARM OF WHICH FORMS A CANTILEVER EXTENDING BEYOND SAID ONE SUPPORT IN A DIRECTION AWAY FROM SAID OTHER SUPPORT WHEREBY THE STAGING ENABLES THE CREW TO WORK ON OPPOSITE SIDES OF SAID ONE SUPPORT; BUILDING THE REMAINDER OF SAID FIRST SPAN BY WORKING ON SAID STAGING FROM SAID ONE SUPPORT TOWARD SAID OTHER SUPPORT; BUILDING A PORTION OF A SECOND SPAN BY WORKING ON SAID STAGING FROM SAID ONE SUPPORT IN A DIRECTION AWAY FROM SAID OTHER SUPPORT; AND REPEATING SAID STEPS-WITH THE EXCEPTION OF THE FIRST ONETOWARDS AT LEAST ONE ADDITIONAL SUPPORT.
References Cited (Backward Citations)
US2963764A
Cited
US3027633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |