US2663270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite stud
Assignee: Gregory Industries Inc
•
Filing: 1949-05-25
•
Granted: 1953-12-22
•
Expires: 1969-05-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Friedly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/3605; F; F16; F16B; F16B19/00; F16B19/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49938; Y10T29/49943
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1548061A
Cited
US1758311A
Cited
GB377643A
Cited
US1930187A
Cited
US2048234A
Cited
US2270278A
Cited
US2374270A
Cited
US2612394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |