Patent US2655977A successfully refreshed from Google Patents.
US2655977A
Expired / Lapsed
US
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Collapsible building drum
Assignee: Uniroyal Inc
•
Filing: 1951-09-21
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Granted: 1953-10-20
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Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Hollis C Hodgkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:59
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1454995A
Cited
US1434567A
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US924036A
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US1140771A
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US1275790A
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US1877746A
Cited
US2201469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |