US1637465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bierman
Assignee: —
•
Filing: —
•
Granted: 1927-08-02
•
Expires: 1944-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:31
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/24; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/52211; B29C66/63; B29C66/634; B29C66/70; B29C66/71; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81455; B29C67/00; B29C67/0014; B29C67/0018; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245
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) | 1930-08-01 | 1931-01-31 | 1931-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-01 | 1935-01-31 | 1935-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-01 | 1939-01-31 | 1939-08-02 | $7700.00 | Window Closed / Lapsed |