Patent US2300495A successfully refreshed from Google Patents.
US2300495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting of specimens and the like
Assignee: PPG Industries Inc
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Filing: 1939-06-13
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Granted: 1942-11-03
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Expires: 1959-06-13
Abstract
No abstract record available.
Inventors
- 👤 Howard L Gerhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:53
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/70; B29C39/00; B29C39/003; B29C39/006; B29C39/02; B29C39/10; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0833; B29K; B29K2035/00; B29K2995/00; B29K2995/0018; B29K2995/0026; B29L; B29L2031/00; B29L2031/40
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) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |