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Patent US2902951A successfully refreshed from Google Patents.
US2902951A
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Flat truss
Assignee: Individual
•
Filing: 1953-07-23
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Granted: 1959-09-08
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Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 Maag John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:50
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/292; F; F16; F16B; F16B7/00; F16B9/00; F16B9/05; F16B9/052; F16B9/058; F16B2200/00; F16B2200/50; F16B2200/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133232A
Cited
AT61109B
Cited
AT80718B
Cited
US2024001A
Cited
US2130419A
Cited
US2197065A
Cited
US2363568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |