US1294446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's building-blocks.
Assignee: ALFRED G HOPPOCK
•
Filing: 1918-04-25
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Granted: 1919-02-18
•
Expires: 1938-04-25
Abstract
No abstract record available.
Inventors
- 👤 Milfred L Greenstreet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/105; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457
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) | 1922-02-17 | 1922-08-19 | 1923-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-02-17 | 1926-08-19 | 1927-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-02-17 | 1930-08-19 | 1931-02-18 | $7700.00 | Window Closed / Lapsed |