US2484566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape applying iron
Assignee: Dravo Corp
•
Filing: 1945-06-20
•
Granted: 1949-10-11
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hiller
- 👤 Walter L Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:43
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/30; B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/818; B29C66/84; B29C66/861; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5042; B29C65/5092; Y; Y10; Y10T; Y10T156/00; Y10T156/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1160754A
Cited
US1227736A
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US1563591A
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US1514074A
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US1782005A
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US2214084A
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US2240913A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |