Patent US3550181A successfully refreshed from Google Patents.
Patent US3405409A successfully refreshed from Google Patents.
US3405409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for disposal of waste liquid and solid material
Assignee: Lundy Electronics and Systems Inc
•
Filing: 1966-01-24
•
Granted: 1968-10-15
•
Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Floyd M Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:16
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/60; Y; Y10; Y10S; Y10S4/00; Y10S4/09; Y10S4/18; Y10S4/19
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1436605A
Cited
US2315390A
Cited
US2565720A
Cited
US2749558A
Cited
US2671906A
Cited
US2858939A
Cited
US3034131A
Cited
US3061840A
Cited
US3158874A
Cited
US3295223A
Cited
US3329974A
Cited
US3340543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |