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US2140671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target apparatus
Assignee: Individual
•
Filing: 1937-09-15
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Granted: 1938-12-20
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Expires: 1957-09-15
Abstract
No abstract record available.
Inventors
- 👤 William L Dysart
- 👤 Roy J Newlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:25
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/02; A63F9/0204; A63F9/24; A63F2009/2448; A63F2009/245; A63F2009/2451; A63F7/00; A63F7/0058; A63F7/22; A63F7/24; A63F7/2409; A63F7/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-12-19 | 1942-06-20 | 1942-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-19 | 1946-06-20 | 1946-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-19 | 1950-06-20 | 1950-12-20 | $7700.00 | Window Closed / Lapsed |