US2849838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for the manufacture of lamp chimneys
Assignee: Individual
•
Filing: 1954-11-03
•
Granted: 1958-09-02
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edward E Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:54
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/30; C03B9/34; C03B9/13; C03B9/193; C03B9/1932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1013451A
Cited
US1527947A
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US1675971A
Cited
US2008312A
Cited
US2013382A
Cited
US2204151A
Cited
US2523737A
Cited
US2688823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |