US3000558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
jaynes
Assignee: —
•
Filing: —
•
Granted: 1961-09-19
•
Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:17
CPC Classifications
G; G06; G06G; G06G1/00; A; A62; A62C; A62C33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US634779A
Cited
US778790A
Cited
US784660A
Cited
US896002A
Cited
US1169300A
Cited
US1863684A
Cited
US2192257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |