US3539010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic macerator unit
Assignee: Kidde Inc
•
Filing: 1968-12-13
•
Granted: 1970-11-10
•
Expires: 1988-12-13
Abstract
No abstract record available.
Inventors
- 👤 William H Smyers Jr
- 👤 Ronald D Russo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/688; B; B01; B01F; B01F21/00; B01F21/20; B01F21/22; B01F25/00; B01F25/40; B01F25/42; B01F25/421; B01F25/423; B01F25/4233; E; E03; E03D; E03D9/00; E03D9/10; C02F2103/00; C02F2103/005; C02F2201/00; C02F2201/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |