Patent US2460592A successfully refreshed from Google Patents.
US2460592A
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Generation of monomeric formaldehyde gas from formaldehyde polymers
Assignee: Goodrich Corp
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Filing: 1945-05-01
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Granted: 1949-02-01
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Expires: 1965-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:45
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/78; C07C45/81; B; B01; B01D; B01D7/00; C07C45/51; C07C45/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189627656A
Cited
US676814A
Cited
US762845A
Cited
US1536908A
Cited
US1687312A
Cited
US1892396A
Cited
US2113230A
Cited
US2328621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |