US2503033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic jacketed glass articles
Assignee: Individual
•
Filing: 1945-11-21
•
Granted: 1950-04-04
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Engelmann Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:31
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22; B; B29; B29D; B29D11/00; B29D11/0074; F; F16; F16L; F16L9/00; F16L9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923192A
Cited
US1975269A
Cited
US2255921A
Cited
US2342441A
Cited
US2333884A
Cited
US2390445A
Cited
US2414086A
Cited
US2439614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |