US3032062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable sewer flood control
Assignee: Individual
•
Filing: 1961-01-25
•
Granted: 1962-05-01
•
Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 Carl J Blahnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
E; E03; E03D; E03D11/00; Y; Y02; Y02A; Y02A10/00; Y02A10/30; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6988; Y10T137/8593; Y10T137/86381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1773640A
Cited
US2009568A
Cited
US2327602A
Cited
US2427258A
Cited
US2478876A
Cited
US2894263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |