US2671663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projector and spinning target
Assignee: Individual
•
Filing: 1950-09-12
•
Granted: 1954-03-09
•
Expires: 1970-09-12
Abstract
No abstract record available.
Inventors
- 👤 Gurt Sven Ake
- 👤 Fagerberg Sven Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:27
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/16; A63F7/00; A63F7/0005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1139497A
Cited
US1162140A
Cited
US1364632A
Cited
US1416593A
Cited
US1731353A
Cited
US2067005A
Cited
US2252451A
Cited
US2585754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |