US3032835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door structure for personnel and material locks
Assignee: Henry Pratt Co LLC
•
Filing: 1956-10-19
•
Granted: 1962-05-08
•
Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Robert P Saar
- 👤 Vincent A Bicicchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:28
CPC Classifications
E; E06; E06B; E06B5/00; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US576446A
Cited
DE484095C
Cited
US1023825A
Cited
US1489433A
Cited
GB512255A
Cited
US2361298A
Cited
US2763038A
Cited
US2757225A
Cited
US2830838A
Cited
US2932862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |