US3419339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspirator assembly
Assignee: Hauck Manufacturing Inc
•
Filing: 1967-02-08
•
Granted: 1968-12-31
•
Expires: 1987-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schreter
- 👤 Melvin J Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/62; B; B01; B01F; B01F25/00; B01F25/20; B01F25/28; B01F25/282; B01F25/30; B01F25/31; B01F25/312; B01F25/3121; B01F25/313
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US562089A
Cited
US1697549A
Cited
GB529316A
Cited
US2860483A
Cited
US3215187A
Cited
US3224488A
Cited
US3227202A
Cited
US3319692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |