US3138188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer ring adapted to be snapped through the workpiece aperture
Assignee: South Chester Corp
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Filing: 1961-09-28
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Granted: 1964-06-23
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Michael R Tuozzo
- 👤 Jr Samuel J Mundell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:20
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/002; Y; Y10; Y10S; Y10S411/00; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |