US3441322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carriage-type drawing apparatus
Assignee: Albert Nestler AG
•
Filing: 1967-01-06
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Granted: 1969-04-29
•
Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Franz Leschinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:35
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2319555A
Cited
US2420090A
Cited
US2898159A
Cited
US2889179A
Cited
US2862772A
Cited
US3258299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |