US3026560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash balance device
Assignee: Individual
•
Filing: 1959-03-05
•
Granted: 1962-03-27
•
Expires: 1979-03-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Starck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:22
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/10; E05D13/12; E05D13/1253; E05D13/1207; E05D13/1223; E05D13/123; E05D13/1246
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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |