Patent US3253288A successfully refreshed from Google Patents.
US3253288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated floor structure
Assignee: Reliance Steel Products Co
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Filing: 1962-06-18
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Granted: 1966-05-31
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 Nagin Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/12; E01D19/125; E01D2101/00; E01D2101/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
COMBINED FLOOR PANEL AND STRUCTURAL COMPONENT FOR METAL STRUCTURES COMPRISING A SERIES OF ELONGATED PARALLEL STRUCTURAL SECTIONS, EACH HAVING AN INTEGRAL DECKFORMING TOP PORTION OF FLAT RECTANGULAR SECTION WITH PARALLEL EDGES, SAID EDGES ABUTTING IN A COMMON PLANE WITH THE EDGES OF THE DECK-FORMING TOP PORTIONS OF THE ADJACENT SECTIONS TO PROVIDE A CONTINUOUS DECK SURFACE, SAID ABUTTING EDGES BEING CONTINUOUSLY WELDED TO INTEGRATE SAID SECTIONS INTO A UNIT, EVERY ALTERNATE SECTION AT LEAST HAVING AT LEAST ONE DEPENDING INTEGRAL WEB, ALL OF THE DEPENDING WEBS IN THE ASSEMBLY BEING SPACED FROM EACH OTHER, THE SPACES BETWEEN THE DEPENDING WEBS BEING CONTINUOUSLY OPEN ALONG THEIR LENGTHS TO AFFORD ACCESS TO THE UNDER SIDE OF THE ABUTTING EDGES OF THE SEVERAL DECK-FORMING PORTIONS FOR WELDING.
Claim 2
Dependent Claim
124 words
COMBINED FLOOR PANEL AND STRUCTURAL COMPONENT FOR METAL STRUCTURES COMPRISING A SERIES OF ELONGATED PARALLEL STRUCTURAL SECTIONS, EACH HAVING AN INTEGRAL DECKFORMING TOP PORTION OF FLAT RECTANGULAR SECTION WITH PARALLEL EDGES, SAID EDGES ABUTTING IN A COMMON PLANE WITH THE EDGES OF THE DECK-FORMING TOP PORTIONS OF THE ADJACENT SECTIONS TO PROVIDE A CONTINUOUS DECK SURFACE, SAID ABUTTING EDGES BEING CONTINUOUSLY WELDED TO INTEGRATE SAID SECTIONS INTO A UNIT, EVERY ALTERNATE SECTION AT LEAST HAVING AT LEAST ONE DEPENDING INTEGRAL WEB, ALL OF THE DEPENDING WEBS IN THE ASSEMBLY BEING SPACED FROM EACH OTHER, THE SPACES BETWEEN THE DEPENDING WEBS BEING CONTINUOUSLY OPEN ALONG THEIR LENGTHS TO AFFORD ACCESS TO THE UNDER SIDE OF THE ABUTTING EDGES OF THE SEVERAL DECK-FORMING PORTIONS FOR WELDING.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |