US2503167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring hinged clip
Assignee: NIASH REFINING Co
•
Filing: 1947-12-26
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Granted: 1950-04-04
•
Expires: 1967-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Oldak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:21
CPC Classifications
A; A44; A44B; A44B99/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174174A
Cited
US1767596A
Cited
US1892918A
Cited
US1916540A
Cited
US2095785A
Cited
US2208343A
Cited
US2423905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |