US2835480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal pins
Assignee: Individual
•
Filing: 1953-04-09
•
Granted: 1958-05-20
•
Expires: 1973-04-09
Abstract
No abstract record available.
Inventors
- 👤 Perez William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:00
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US529304A
Cited
GB189318840A
Cited
US1725906A
Cited
US1754314A
Cited
US1890907A
Cited
US2237054A
Cited
US2258173A
Cited
US2569410A
Cited
US2651251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |