US3546812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating excrement by microorganisms and products obtained thereby
Assignee: CITY OF KIRYU
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Filing: 1968-04-04
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Granted: 1970-12-15
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Expires: 1988-04-04
Abstract
No abstract record available.
Inventors
- 👤 Masayasu Kobayashi
- 👤 Michiharu Kobayashi
- 👤 Mitsuyoshi Matsushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
A; A01; A01G; A01G33/00; C; C02; C02F; C02F3/00; C02F3/30; C02F3/32; C02F3/34; C02F2303/00; C02F2303/12; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |