US2822898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint and connector used therein
Assignee: Individual
•
Filing: 1955-01-07
•
Granted: 1958-02-11
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Archer W Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:28
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/02; E04F19/06; E04F19/065; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7448; E04D; E04D3/00; E04D3/36; E04D3/366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962826A
Cited
GB381771A
Cited
US2068562A
Cited
US2165412A
Cited
US2140887A
Cited
US2275119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |