US2608388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box support for fin tubing
Assignee: Griscom Russell Co
•
Filing: 1948-12-23
•
Granted: 1952-08-26
•
Expires: 1968-12-23
Abstract
No abstract record available.
Inventors
- 👤 Neil B Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0138; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/469
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR551564A
Cited
US1704097A
Cited
US1769963A
Cited
US1869967A
Cited
US1909704A
Cited
US1886403A
Cited
US1907867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |