Patent US3499258A successfully refreshed from Google Patents.
US3499258A
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Assembled steel structure sections
Assignee: Richier SA
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Filing: 1966-11-08
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Granted: 1970-03-10
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Expires: 1986-11-08
Abstract
No abstract record available.
Inventors
- 👤 Pierre Durand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:10
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/26; B66C23/28; B66C23/283; B66C23/286; E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49631; Y10T29/49826; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626393A
Cited
US1896530A
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US1840169A
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US1859894A
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US2293399A
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US2920682A
Cited
US3261086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |