US3025641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brick construction
Assignee: Ia Light-Weight Brick Construction Inc
•
Filing: 1953-09-15
•
Granted: 1962-03-20
•
Expires: 1973-09-15
Abstract
No abstract record available.
Inventors
- 👤 Ahtiainen Iisakki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:51
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/12; E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2002/0202; E04B2002/0204; E04B2002/0206; E04B2002/0256; E04B2002/0258
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US64994A
Cited
US338490A
Cited
US1377739A
Cited
US1252785A
Cited
US1374356A
Cited
US1897659A
Cited
US1817022A
Cited
US2558630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |