Patent US2326941A successfully refreshed from Google Patents.
US2326941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for demountable steel structures
Assignee: Individual
•
Filing: 1941-01-30
•
Granted: 1943-08-17
•
Expires: 1961-01-30
Abstract
No abstract record available.
Inventors
- 👤 Heitner Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:09
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/20; F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; F16B7/0426; F16B2200/00; F16B2200/50; F16B2200/509; Y; Y10; Y10T; Y10T403/00; Y10T403/50; Y10T403/70; Y10T403/7062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-08-16 | 1947-02-15 | 1947-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-16 | 1951-02-15 | 1951-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-16 | 1955-02-15 | 1955-08-17 | $7700.00 | Window Closed / Lapsed |