US2998696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripping surface for preformed helical rods
Assignee: N SLATER Co Ltd
•
Filing: 1959-06-05
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Granted: 1961-09-05
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Expires: 1979-06-05
Abstract
No abstract record available.
Inventors
- 👤 Payer Rodolphe Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/05; H02G7/053; H02G7/056; H02G1/00; H02G1/02; Y; Y10; Y10S; Y10S174/00; Y10S174/12; Y10S57/00; Y10S57/906; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916; Y10T24/3931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1945000A
Cited
US2275019A
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US2609653A
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US2799721A
Cited
GB755557A
Cited
US2761273A
Cited
US2888726A
Cited
US2943135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |