Patent US2410538A successfully refreshed from Google Patents.
US2913120A
Expired / Lapsed
US
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Vacuum operated apparatus for moving fluid material
Assignee: J P GLASBY MANUFACTURING Co Inc
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Filing: 1957-03-26
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Granted: 1959-11-17
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Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Jonathan P Glasby
- 👤 Jr Lubin Palmer
- 👤 Frank P Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0023; A47L7/0028; A47L5/00; A47L5/12; A47L5/16; A47L5/18; A47L7/0038; A47L7/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1138125A
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US1115505A
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US1976439A
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US2085361A
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US2223242A
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US2465623A
Cited
DE823781C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |