US2712938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puzzle game board and pieces
Assignee: SET SCREW AND Manufacturing CO
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Filing: 1952-09-24
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Granted: 1955-07-12
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Expires: 1972-09-24
Abstract
No abstract record available.
Inventors
- 👤 Calvin O Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00173; A63F3/00574; A63F3/00176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |