Patent US2915872A successfully refreshed from Google Patents.
US2915872A
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Periodic chime control mechanism
Assignee: MAAS ORGAN Co
•
Filing: 1955-06-06
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Granted: 1959-12-08
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Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Louis A Maas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:26
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/04; G04C21/06; G04C21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1096680A
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US1131244A
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US1322216A
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GB256726A
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US2172927A
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US2641897A
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US2587458A
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US2682645A
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US2708337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |