US1334796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound board
Assignee: BEAVER Co
•
Filing: 1919-06-16
•
Granted: 1920-03-23
•
Expires: 1939-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles G Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:55
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; E04C2/18; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24066; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24107; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/119
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) | 1923-03-23 | 1923-09-22 | 1924-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-03-23 | 1927-09-22 | 1928-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-03-23 | 1931-09-22 | 1932-03-23 | $7700.00 | Window Closed / Lapsed |