US2538601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding fastener
Assignee: RAWIPLUG Co Ltd
•
Filing: 1945-08-10
•
Granted: 1951-01-16
•
Expires: 1965-08-10
Abstract
No abstract record available.
Inventors
- 👤 Taylor Cecil Arthur
- 👤 Hibbert Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/065; F16B37/067; F16B13/00; F16B13/04; F16B13/06; F16B13/061; F16B29/00; F16B37/041; F16B37/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US779896A
Cited
US2017421A
Cited
US2018251A
Cited
US2148977A
Cited
US2244977A
Cited
US2236079A
Cited
US2396501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |