US2921508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking machine
Assignee: Congoleum Industries Inc
•
Filing: 1955-07-28
•
Granted: 1960-01-19
•
Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Walter E Schneider
- 👤 Kufel Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:39
CPC Classifications
B; B65; B65H; B65H33/00; B65H33/14; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102; Y10S414/103; Y10S414/104; Y10S414/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1412795A
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US1514929A
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US1592367A
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US1957318A
Cited
US2294718A
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US2228887A
Cited
US2226588A
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US2551685A
Cited
US2677543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |