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Patent US1648993A successfully refreshed from Google Patents.
US1648993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil device for electric-light bulbs
Assignee: Individual
•
Filing: 1927-03-18
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Granted: 1927-11-15
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Expires: 1947-03-18
Abstract
No abstract record available.
Inventors
- 👤 Niederer John George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:15
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/06
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) | 1930-11-14 | 1931-05-16 | 1931-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-14 | 1935-05-16 | 1935-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-14 | 1939-05-16 | 1939-11-15 | $7700.00 | Window Closed / Lapsed |