US2482437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball projector
Assignee: Individual
•
Filing: 1946-01-25
•
Granted: 1949-09-20
•
Expires: 1966-01-25
Abstract
No abstract record available.
Inventors
- 👤 Richards Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:37
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/06; A63F7/0604; A63F7/0612; A63F7/22; A63F7/24; A63F7/2409; A63F7/2472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US432392A
Cited
US519324A
Cited
US574150A
Cited
GB190624765A
Cited
US1262218A
Cited
US1354749A
Cited
GB166770A
Cited
US1678527A
Cited
US2196549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |