US1719098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lamp
Assignee: Greist Manufacturing Co
•
Filing: 1927-09-15
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Granted: 1929-07-02
•
Expires: 1947-09-15
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Carmichael
- 👤 Balzano Oresto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:50
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02; F21V21/10
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) | 1932-07-01 | 1932-12-31 | 1933-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-01 | 1936-12-31 | 1937-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-01 | 1940-12-31 | 1941-07-02 | $7700.00 | Window Closed / Lapsed |