Patent US3029438A successfully refreshed from Google Patents.
US3029438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-cooled headwear
Assignee: Individual
•
Filing: 1957-09-26
•
Granted: 1962-04-17
•
Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Henschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/008; A42C; A42C5/00; A42C5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1323108A
Cited
US2096914A
Cited
US1519878A
Cited
US2265530A
Cited
US2544381A
Cited
US2769308A
Cited
US2832077A
Cited
US2875447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |