Patent US3407560A successfully refreshed from Google Patents.
US3407560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded, trussed structural assemblance and method of assembly
Assignee: Individual
•
Filing: 1965-10-21
•
Granted: 1968-10-29
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Hanns U Baumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:28
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/19; E04C; E04C5/00; E04C5/01; E04C5/06; E04C5/0636; E04C5/064; E04B2001/1924; E04B2001/1927; E04B2001/1939; E04B2001/1951; E04B2001/1954; E04B2001/1957; E04B2001/1972; E04B2001/1975; E04B2001/1981; E04B2001/1984; E04B2001/199; E04B2001/1993; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49632; Y10T29/49826; Y10T29/49838
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE299443C
Cited
US782877A
Cited
GB191114915A
Cited
AT77206B
Cited
US1291298A
Cited
US1545148A
Cited
US1727147A
Cited
US1733779A
Cited
US1804132A
Cited
US2314456A
Cited
US3313082A
Cited
US3344571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |