US2778081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pin stem joint and catch
Assignee: Individual
•
Filing: 1953-11-24
•
Granted: 1957-01-22
•
Expires: 1973-11-24
Abstract
No abstract record available.
Inventors
- 👤 Nygard Hulda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:21
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/12; A44B9/18; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/4604; Y10T24/4634; Y10T24/4652; Y10T24/4654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US415459A
Cited
US797463A
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US1148292A
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US1134898A
Cited
US1183415A
Cited
US1406708A
Cited
US1485933A
Cited
US1814290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |