Patent US2993692A successfully refreshed from Google Patents.
US2993692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic collators
Assignee: Individual
•
Filing: 1958-09-17
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Granted: 1961-07-25
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Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas Wilbur Evan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/02; B65H39/04; B65H39/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093384A
Cited
US2449594A
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US2588946A
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US2558046A
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US2624571A
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US2626149A
Cited
US2770456A
Cited
US2808262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |