US2904785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machine
Assignee: Melpar Inc
•
Filing: 1954-03-01
•
Granted: 1959-09-22
•
Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Lawson Axel Aruold
- 👤 Herbert K Hazel
- 👤 Howland R Gary
- 👤 Gittler Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:13
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1836113A
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US1859951A
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US2420660A
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US2446643A
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US2398997A
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US2386520A
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US2475326A
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US2457558A
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GB580790A
Cited
US2575976A
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US2608745A
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US2631213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |