US3467313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated humidifying apparatus
Assignee: FMC Corp
•
Filing: 1967-05-10
•
Granted: 1969-09-16
•
Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Carl R Pepmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:27
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/049
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2613603A
Cited
US2949239A
Cited
US3119404A
Cited
US3343799A
Cited
US3386659A
Cited
US3322593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |