Patent US3258250A successfully refreshed from Google Patents.
US3258250A
Expired / Lapsed
US
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Railing construction
Assignee: Reynolds Metals Co
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Filing: 1963-07-17
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Granted: 1966-06-28
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Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 William B Mcmullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:37
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/10; E01D19/103; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; F16B2200/00; F16B2200/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN COMBINATION, A BRIDGE RAIL OR THE LIKE HAVING AN OPENING IN ONE SIDE THEREOF DEFINED BY OPPOSED OUTWARDLY DIRECTED END EDGE PORTIONS OF SAID RAIL, EACH PORTION HAVING A TONGUE AND GROOVE ON ONE SIDE THEREOF AND A SLANTING SURFACE ON THE OTHER SIDE THEREOF, A FIRST REINFORCING MEANS RECEIVING SAID PORTIONS OF SAID RAIL AND HAVING FLANGES RESPECTIVELY OVERLAPPING SAID PORTIONS AND BEING DISPOSED INBOARD OF SAID PORTIONS, EACH FLANGE HAVING A TONGUE RECEIVED IN SAID GROOVE OF A RESPECTIVE EDGE PORTION AND HAVING A GROOVE RECEIVING SAID TONGUE OF SAID RESPECTIVE EDGE PORTION, SAID FIRST REINFORCING MEANS HAVING SLANTING SURFACES DISPOSED OUTBOARD OF SAID PORTIONS, AND A PAIR OF SECOND REINFORCING MEMBERS DISPOSED OUTSIDE SAID RAIL AND BEING SECURED TO SAID FIRST MEANS, EACH MEMBER HAVING A SLANTING SURFACE DISPOSED IN WEDGING RELATION WITH A SLANTING SURFACE OF SAID FIRST MEANS AND THE END PORTIONS TO WEDGE THE RESPECTIVE PORTION OF SAID RAIL AGAINST THE RESPECTIVE FLANGE OF SAID FIRST MEANS.
Claim 2
Dependent Claim
164 words
IN COMBINATION, A BRIDGE RAIL OR THE LIKE HAVING AN OPENING IN ONE SIDE THEREOF DEFINED BY OPPOSED OUTWARDLY DIRECTED END EDGE PORTIONS OF SAID RAIL, EACH PORTION HAVING A TONGUE AND GROOVE ON ONE SIDE THEREOF AND A SLANTING SURFACE ON THE OTHER SIDE THEREOF, A FIRST REINFORCING MEANS RECEIVING SAID PORTIONS OF SAID RAIL AND HAVING FLANGES RESPECTIVELY OVERLAPPING SAID PORTIONS AND BEING DISPOSED INBOARD OF SAID PORTIONS, EACH FLANGE HAVING A TONGUE RECEIVED IN SAID GROOVE OF A RESPECTIVE EDGE PORTION AND HAVING A GROOVE RECEIVING SAID TONGUE OF SAID RESPECTIVE EDGE PORTION, SAID FIRST REINFORCING MEANS HAVING SLANTING SURFACES DISPOSED OUTBOARD OF SAID PORTIONS, AND A PAIR OF SECOND REINFORCING MEMBERS DISPOSED OUTSIDE SAID RAIL AND BEING SECURED TO SAID FIRST MEANS, EACH MEMBER HAVING A SLANTING SURFACE DISPOSED IN WEDGING RELATION WITH A SLANTING SURFACE OF SAID FIRST MEANS AND THE END PORTIONS TO WEDGE THE RESPECTIVE PORTION OF SAID RAIL AGAINST THE RESPECTIVE FLANGE OF SAID FIRST MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |