Patent US3044584A successfully refreshed from Google Patents.
US3044584A
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US
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Hollow cap screw assembly with displaceable plug
Assignee: Harris Foundry and Machine Co
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Filing: 1959-05-27
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Granted: 1962-07-17
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Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Wallace M Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:17
CPC Classifications
F; F16; F16B; F16B23/00; F16B35/00; F16B35/04; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337961A
Cited
GB189618010A
Cited
US791548A
Cited
US857295A
Cited
US1271408A
Cited
US1581096A
Cited
US2133409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |