Patent US2838758A successfully refreshed from Google Patents.
US2838758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device
Assignee: Individual
•
Filing: 1955-01-05
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Granted: 1958-06-17
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Expires: 1975-01-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Townley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:50
CPC Classifications
A; A41; A41B; A41B13/00; A41B13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US593618A
Cited
US708317A
Cited
US889073A
Cited
US1436134A
Cited
US2390565A
Cited
US2523565A
Cited
US2727239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |