US2637439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1949-02-16
•
Granted: 1953-05-05
•
Expires: 1969-02-16
Abstract
No abstract record available.
Inventors
- 👤 Millard S Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/54; Y; Y10; Y10S; Y10S206/00; Y10S206/812; Y10S206/823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1077403A
Cited
US1346441A
Cited
US1608934A
Cited
US1678370A
Cited
US2233896A
Cited
US2163228A
Cited
US2539395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |