US3020834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stamping mechanism
Assignee: JAS H MATTHEWS AND CO
•
Filing: 1958-05-22
•
Granted: 1962-02-13
•
Expires: 1978-05-22
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Brown
- 👤 John S Ayers
- 👤 Robert L Shields
- 👤 John M Maloney
- 👤 Kimecik Thadeus Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:59
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0004; B44B5/0033; B44B5/0061; B44B5/02; B44B5/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899891A
Cited
US1770919A
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US1789832A
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US1850880A
Cited
US2418213A
Cited
US2546114A
Cited
US2541800A
Cited
US2641995A
Cited
US2641996A
Cited
US2532540A
Cited
US2818014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |