Patent US3012774A successfully refreshed from Google Patents.
US3012774A
Expired / Lapsed
US
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Envelope making machinery
Assignee: FL Smithe Machine Co Inc
•
Filing: 1958-12-04
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Granted: 1961-12-12
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Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 Novick Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:55
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/04; B31B2150/00; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566671A
Cited
US1238790A
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US1253054A
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US2049728A
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US2133726A
Cited
US2198067A
Cited
US2363357A
Cited
US2622518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |