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Patent US2095911A successfully refreshed from Google Patents.
US2095911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flaw detector car
Assignee: Pennsylvania Railroad Co
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Filing: 1935-08-23
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Granted: 1937-10-12
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Expires: 1955-08-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur E F Billstein
- 👤 Robert N Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/08; B61K9/10
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) | 1940-10-11 | 1941-04-12 | 1941-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-11 | 1945-04-12 | 1945-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-11 | 1949-04-12 | 1949-10-12 | $7700.00 | Window Closed / Lapsed |