US3055735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of alkali phosphate
Assignee: Nissan Chemical Corp
•
Filing: 1959-02-02
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Granted: 1962-09-25
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Shigeru
- 👤 Shimoyamada Masatsugu
- 👤 Akabayashi Hiroshi
- 👤 Ogawa Yoshihisa
- 👤 Iwatsuki Toshihiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:08
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/30; B; B01; B01J; B01J39/00; B01J39/04; B01J39/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |