US2954596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming concrete structures
Assignee: Individual
•
Filing: 1957-06-05
•
Granted: 1960-10-04
•
Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Fassauer
- 👤 Weldon E Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:09
CPC Classifications
B; B28; B28B; B28B5/00; B28B7/00; B28B7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US884931A
Cited
US937620A
Cited
US1154387A
Cited
US1164099A
Cited
US1493732A
Cited
US1829795A
Cited
US2227756A
Cited
US2402368A
Cited
US2629135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |