Patent US1440549A successfully refreshed from Google Patents.
Patent US1348082A successfully refreshed from Google Patents.
US1348082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building material
Assignee: Individual
•
Filing: 1919-12-15
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Granted: 1920-07-27
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Expires: 1939-12-15
Abstract
No abstract record available.
Inventors
- 👤 Herman A Brockhaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:03
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/60; Y10T442/654; Y10T442/656
Claims Analysis
Total Claims: 0
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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) | 1923-07-27 | 1924-01-26 | 1924-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-27 | 1928-01-26 | 1928-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-27 | 1932-01-26 | 1932-07-27 | $7700.00 | Window Closed / Lapsed |