Patent US1690059A successfully refreshed from Google Patents.
US1690059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hard court for tennis and the like
Assignee: Individual
•
Filing: 1928-02-09
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Granted: 1928-10-30
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Expires: 1948-02-09
Abstract
No abstract record available.
Inventors
- 👤 Eilers Gerard Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/42; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; E; E01; E01C; E01C13/00; E01C13/06
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) | 1931-10-30 | 1932-04-30 | 1932-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-30 | 1936-04-30 | 1936-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-30 | 1940-04-30 | 1940-10-30 | $7700.00 | Window Closed / Lapsed |