US3041568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewable switch construction
Assignee: BALDWIN PIANO Co
•
Filing: 1959-08-07
•
Granted: 1962-06-26
•
Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Bissonette
- 👤 Robert D Lapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/32; G10H1/34; G10H1/344; Y; Y10; Y10S; Y10S84/00; Y10S84/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2215124A
Cited
US2513415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |