Patent US2676680A successfully refreshed from Google Patents.
US2676680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam structure and associated securing means
Assignee: Individual
•
Filing: 1952-02-05
•
Granted: 1954-04-27
•
Expires: 1972-02-05
Abstract
No abstract record available.
Inventors
- 👤 Orlan C Kindorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/18; E04B9/183; F; F16; F16B; F16B37/00; F16B37/04; F16B37/045; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |