Patent US2837435A successfully refreshed from Google Patents.
US2837435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bagasse concrete
Assignee: HAWAIIAN DEV CO Ltd
•
Filing: 1955-11-15
•
Granted: 1958-06-03
•
Expires: 1975-11-15
Abstract
No abstract record available.
Inventors
- 👤 Allyn C Miller
- 👤 Fishman Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:24
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/04; C04B18/18; C04B18/24; C04B18/248; C04B28/00; C04B28/18; C04B2111/00; C04B2111/20; C04B2111/27; C04B2111/40; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A LIGHT WEIGHT CONCRETE HAVING THE FOLLOWING COMPOSITION:
Claim 2
Dependent Claim
8 words
A LIGHT WEIGHT CONCRETE HAVING THE FOLLOWING COMPOSITION:
References Cited (Backward Citations)
US1314772A
Cited
US1344058A
Cited
US1521813A
Cited
GB190849A
Cited
US1628807A
Cited
US1537406A
Cited
GB396652A
Cited
US2043642A
Cited
GB455571A
Cited
US2517993A
Cited
US2553618A
Cited
US2703289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |