US3392499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel joist connection
Assignee: IRA J MCMANUS
•
Filing: 1966-05-02
•
Granted: 1968-07-16
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Ira J Mcmanus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:17
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40; E04B1/00; E04B1/38; E04B1/58; E04B1/5806; E04B1/5812; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1662752A
Cited
US1915424A
Cited
US1936147A
Cited
US1952235A
Cited
US1969312A
Cited
US1979643A
Cited
US2055701A
Cited
US2256812A
Cited
FR1335345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |