US2990038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural beams
Assignee: Individual
•
Filing: 1959-05-29
•
Granted: 1961-06-27
•
Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Diamond Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:57
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/083; E04C3/086; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/043; E04C2003/0434; E04C2003/0443; E04C2003/0452; E04C2003/0469; E04C2003/0478; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/49634; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0538; Y10T83/0548; Y10T83/0558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US334567A
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US1545456A
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US1644940A
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US1843318A
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US2002044A
Cited
FR706311A
Cited
US1995466A
Cited
FR900943A
Cited
US2641829A
Cited
US2662272A
Cited
US2786788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |