US3385415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Half spacing escapement mechanism for typewriters
Assignee: Olympia Werke AG
•
Filing: 1966-04-20
•
Granted: 1968-05-28
•
Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Schrader Wilhelm
- 👤 Klingner Wolfgang
- 👤 Heins Hans Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
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)
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US3232405A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |