US2029211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal
Assignee: Individual
•
Filing: 1932-06-01
•
Granted: 1936-01-28
•
Expires: 1952-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Adler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:02
CPC Classifications
F; F21; F21V; F21V9/00; F21V9/08; B; B61; B61L; B61L9/00; B61L9/04; F21V9/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-01-27 | 1939-07-29 | 1940-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-27 | 1943-07-29 | 1944-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-27 | 1947-07-29 | 1948-01-28 | $7700.00 | Window Closed / Lapsed |