US2999412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two part ring with lug and recess retaining means
Assignee: Anderson Company of Indiana
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Filing: 1958-03-17
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Granted: 1961-09-12
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Jack E Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:06
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |