US2994282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car spotting mechanisms
Assignee: SANFORD DAY IRON WORKS Inc
•
Filing: 1958-08-07
•
Granted: 1961-08-01
•
Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert A Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:28
CPC Classifications
B; B61; B61J; B61J3/00; B61J3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1162760A
Cited
US720222A
Cited
US1478676A
Cited
US1908015A
Cited
DE736290C
Cited
US2347945A
Cited
US2606504A
Cited
GB719327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |