US2434404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spotting board
Assignee: Individual
•
Filing: 1944-08-14
•
Granted: 1948-01-13
•
Expires: 1964-08-14
Abstract
No abstract record available.
Inventors
- 👤 Don O Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:53
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US759147A
Cited
FR419306A
Cited
US1485824A
Cited
US1531501A
Cited
US1739571A
Cited
US2295718A
Cited
US2279984A
Cited
US2254691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |