US2904786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machines
Assignee: Melpar Inc
•
Filing: 1955-03-10
•
Granted: 1959-09-22
•
Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Hazel
- 👤 Vossen Bernd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/043; H05K13/0443; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1003012A
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US2631213A
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US2772416A
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US2791772A
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US2765467A
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US2748388A
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 |