US2682940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: J & B Steel Products Inc
•
Filing: 1950-01-28
•
Granted: 1954-07-06
•
Expires: 1970-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jones Mae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:49
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563651A
Cited
US2142305A
Cited
US2049278A
Cited
US2062160A
Cited
US2076338A
Cited
US2114155A
Cited
US2430654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |