US2865629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic door system
Assignee: HERRING HALL MARVIN SAFE COMPA
•
Filing: 1955-06-07
•
Granted: 1958-12-23
•
Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Henkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:48
CPC Classifications
E; E05; E05G; E05G1/00; E05G1/02; E05G1/04; E05F; E05F15/00; E05F15/50; E05F15/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US656699A
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US1369960A
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US1862860A
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US1868149A
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US1797144A
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US1920868A
Cited
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Cited
US2304556A
Cited
US2294041A
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US2558867A
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US2601983A
Cited
US2668052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |