Patent US4516174A successfully refreshed from Google Patents.
US2491384A
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US
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Construction of gib guides
Assignee: HPM Development Corp
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Filing: 1944-06-16
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Granted: 1949-12-13
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Expires: 1964-06-16
Abstract
No abstract record available.
Inventors
- 👤 Howard F Macmillin
- 👤 Ernst Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:57
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/12; B; B30; B30B; B30B15/00; B30B15/04; B30B15/041; F16C29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US359720A
Cited
US1303728A
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US1345731A
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US1653030A
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US1959865A
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US2195841A
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US2321741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |