US2676511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing instrument
Assignee: Individual
•
Filing: 1950-08-22
•
Granted: 1954-04-27
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Ernst E Weisse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:34
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190327429A
Cited
US781117A
Cited
US830769A
Cited
US1550755A
Cited
US1640425A
Cited
US1907873A
Cited
US2023539A
Cited
US2028063A
Cited
GB545262A
Cited
US2377987A
Cited
US2445792A
Cited
US2531248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |