Patent US1905938A successfully refreshed from Google Patents.
US2621384A
Expired / Lapsed
US
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Pipe clamp
Assignee: Individual
•
Filing: 1951-11-05
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Granted: 1952-12-16
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Expires: 1971-11-05
Abstract
No abstract record available.
Inventors
- 👤 Philip E Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:18
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/237; F16L3/24; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44607; Y10T24/44615; Y10T24/44966; Y10T24/44974; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |