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US3017761A
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Assignee: Individual
•
Filing: 1957-04-30
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Granted: 1962-01-23
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Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Pleterski Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:11
CPC Classifications
E; E05; E05B; E05B37/00; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/5336; Y10T70/70; Y10T70/7153; Y10T70/7311; Y10T70/7322; Y10T70/735; Y10T70/7407; Y10T70/7424
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US438505A
Cited
US481551A
Cited
GB164704A
Cited
US1758203A
Cited
US1964157A
Cited
US1989780A
Cited
GB581531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |