Patent US1901566A successfully refreshed from Google Patents.
Patent US3515252A successfully refreshed from Google Patents.
US3515252A
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Half spacing escapement mechanism
Assignee: Olympia Werke AG
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Filing: 1968-05-24
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Granted: 1970-06-02
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Expires: 1988-05-24
Abstract
No abstract record available.
Inventors
- 👤 Albert Rix
- 👤 Siegfried Reiners
- 👤 Helmut Ressel
- 👤 Manfred Voigt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:59
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/34; B41J19/58; B41J19/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2536619A
Cited
US2862595A
Cited
US2955695A
Cited
US3232405A
Cited
US3385415A
Cited
US3455429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |